March 2021

Human research, botany and a technology demonstration were on the science schedule aboard the International Space Station today.

Southern Florida and the Florida Keys are featured in this image photographed by an Expedition 10 crewmember on the International Space Station.

At the start of March, NASA's Curiosity Mars rover began approaching an impressive rock formation that scientists dubbed "Mont Mercou," a nickname taken from a mountain in France.

Sea ice in the Arctic appears to have hit its annual maximum extent after growing through the fall and winter.

Four Expedition 64 astronauts will take a quick ride inside their SpaceX Crew Dragon vehicle to a new docking port next week as the International Space Station ramps up for a series of crew swaps.

Scientists reported new research results today suggesting that artificial objects in orbit around the Earth are brightening night skies on our planet significantly more than previously understood.

This image from NASA's Juno mission captures the northern hemisphere of Jupiter around the region known as Jet N7.

Set to launch next year, the agency's Psyche spacecraft will explore a metal-rich asteroid in the main asteroid belt between Mars and Jupiter.

The SwRI-led Ultraviolet Spectrograph (UVS) orbiting Jupiter aboard NASA's Juno spacecraft has detected new faint aurora features, characterized by ring-like emissions, which expand rapidly over time.

Astronomers found a number of stellar eggs containing baby stars around the center of the Milky Way using the Atacama Large Millimeter/submillimeter Array (ALMA).

The seven residents aboard the International Space Station are wrapping up an intense week of biology investigations in low-Earth orbit.

You know that you have been involved with something beyond living memory when you find yourself telling stories of things that affected the world today to people who never knew how things came to be. That is at the core of "Woman in Motion" - a documentary about the life of actress and activist Nichelle Nichols.

The near-Earth object was thought to pose a slight risk of impacting Earth in 2068, but now radar observations have ruled that out.

Now uncocooned from its protective carbon-fiber shield, the helicopter is being readied for its next steps.

In 2021, NASA's Cislunar Autonomous Positioning System Technology Operations and Navigation Experiment, or CAPSTONE, CubeSat will launch to a never-before-used cislunar orbit near the Moon.

This image taken with the NASA/ESA Hubble Space Telescope features NGC 7678 - a galaxy with one particularly prominent arm, located approximately 164 million light-years away in the constellation of Pegasus (the Winged Horse).

Scientists estimate that dark matter and dark energy together are some 95% of the gravitational material in the universe while the remaining 5% is baryonic matter, which is the "normal" matter composing stars, planets, and living beings.

Preparing for first flight on Mars, making a splash with Orion, and the space station's next crew prepares for launch ... a few of the stories to tell you about - This Week at NASA.

NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station.

The Gariep Dam, the largest dam in South Africa, is featured in this false-colour image captured by the Copernicus Sentinel-2 mission.

The Expedition 64 crew continued researching how microgravity affects biology aboard the International Space Station today.

Spiral troughs found on the surface of Mars are in situ ice-excavated canyons with a total volume 10 times that of the Grand Canyon, making them one of the largest and youngest geologic mega-structures in the Solar System, a new paper by Planetary Science Institute Senior Scientist Alexis Palmero Rodriguez says.

Astronomers have now obtained a new view of the supermassive black hole at the center of galaxy M87. Images released today by the Event Horizon Telescope (EHT) collaboration reveal how the black hole, some 55 million light-years away, appears in polarized light.

Human research is key aboard the International Space Station as NASA and its international partners learn to keep crews healthy during long-term exploration missions.

The snow-capped Crimean Mountains and the city of Yalta on the north coast of the Black Sea are pictured from the International Space Station as it orbited 263 miles above.

NASA is targeting no earlier than April 8 for the Ingenuity Mars Helicopter to make the first attempt at powered, controlled flight of an aircraft on another planet.

Space weather often manifests as substorms, where a beautiful auroral display such as the Northern Lights is accompanied by an electrical current in space which has effects at earth that can interfere with and damage power distribution and electrical systems.

Mars has lost most of its once plentiful water, with small amounts remaining in the planet's atmosphere.

The Soyuz MS-17 crew ship, carrying Expedition 64 crew members Kate Rubins, Sergey Ryzhikov and Sergey Kud-Sverchkov, maneuvers to its new space-facing port on the Poisk module

In a nutshell NASA's education and outreach activities are overlooked, underemphasized, and underfunded; scattered and unfocused; and are simultaneously duplicative and non-complimentary. This is nothing new. It has been this way for decades.

Though our galaxy is an immense city of at least 200 billion stars, the details of how they formed remain largely cloaked in mystery.

Researchers at Trinity College Dublin have been shedding light on the enigmatic "spiders from Mars", providing the first physical evidence that these unique features on the planet's surface can be formed by the sublimation of CO2 ice.

In Kevin Hand's "Alien Oceans: The Search For Life In The Depths Of Space" we learn that Earth is just one example of a myriad ways that a world can have an ocean.

NASA astronaut and Expedition 64 Flight Engineer Shannon Walker exhibits sample bags collected from the Grape Juice Fermentation study aboard the International Space Station.

Using the Atacama Large Millimeter/submillimeter Array (ALMA), in which the European Southern Observatory (ESO) is a partner, a team of astronomers have directly measured winds in Jupiter's middle atmosphere for the first time.

After exhausting the nuclear fuel in their cores, stars with a mass of around 0.8 to eight times the mass of our Sun collapse to form dense and hot white dwarf stars.

Firing up the rocket for the Artemis Moon missions, a nomination for NASA's next administrator, and making room for the space station's next crew ... a few of the stories to tell you about - This Week at NASA.

NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station.

A day before Expedition 64 relocates the Soyuz MS-17 to another port on the International Space Station, the seven-person crew continued studies on the effects of microgravity on humans, plants, and materials, along with a couple outreach events.

Ahead of the International Day of Forests, the Copernicus Sentinel-2 mission takes us over part of the Amazon rainforest in the Amazonas - the largest state in Brazil.

Ammonia is pictured venting from jumper cables on the Early Ammonia System (EAS) on the outside of the International Space Station.

Living for nearly 2 months in simulated weightlessness has a modest but widespread negative effect on cognitive performance that may not be counteracted by short periods of artificial gravity, finds a new study published in Frontiers in Physiology.

"These small year-to-year changes in Saturn's color bands are fascinating," said Amy Simon, planetary scientist at NASA's Goddard Space Flight Center in Greenbelt, Maryland.

The stormy, centuries-old maelstrom of Jupiter's Great Red Spot was shaken but not destroyed by a series of anticyclones that crashed into it over the past few years.

A radio telescope located in outback Western Australia has observed a cosmic phenomenon with a striking resemblance to a jellyfish.

The crew of Expedition 64 took time to catch up on maintenance tasks for the International Space Station during a week bookended by some major activities: a spacewalk including NASA astronauts Victor Glover and Michael Hopkins the previous Saturday and a Soyuz relocation maneuver coming up on Friday.

The night lights of Bangkok, the capital of Thailand, on the Gulf of Thailand, are pictured from the International Space Station as it orbited 260 miles above the southern coast of Vietnam.

The Himalayas separating China from India and Nepal are pictured from the International Space Station as it orbited 263 miles above northern Pakistan.

NASA's newest rover recorded audio of itself crunching over the surface of the Red Planet, adding a whole new dimension to Mars exploration.

In between ongoing investigations to further our understanding of how spaceflight impacts the human body, the Expedition 64 crew devoted time to brushing up on procedures to relocate the Soyuz MS-17 to another port on the International Space Station -- a reconfiguration maneuver that hasn't been done since August 2019.

The photograph looks across India, the Himalayas, and into China as the International Space Station orbited 264 miles above. A waxing gibbous Moon is pictured above the Earth's horizon.

The first known interstellar object to pass through our solar system is likely a piece of a Pluto-like planet from another solar system, according to a new study published as a pair of papers today in the Journal of Geophysical Research Planets.

On March 14, the Paraguayan Space Agency (AEP) deployed a satellite from the International Space Station to help track a tiny parasite that causes Chagas disease.

New results from the Ultraviolet Spectrograph instrument on NASA's Juno mission reveal for the first time the birth of auroral dawn storms the early morning brightening unique to Jupiter's spectacular aurorae.

This spectacular image highlights the majestic spiral galaxy Messier 106 and its diminutive neighbors, as well as a dense field of background galaxies and foreground stars.

After a weekend that included the 237th spacewalk in support of assembly and maintenance for the International Space Station, featuring spacewalkers and NASA astronauts Victor Glover and Michael Hopkins, the Expedition 64 crew members got back to the business of science, switching out hardware and working around a comprehensive emergency drill on Monday.

The mouth of the Mississippi River, emptying into the Gulf of Mexico south of New Orleans, Louisiana, is pictured from the International Space Station as it orbited 262 miles above.

An external pallet packed with old nickel-hydrogen batteries is pictured shortly after mission controllers in Houston commanded the Canadarm2 robotic arm to release it into space.

At first glance this captivating scene peering through wispy clouds and down onto a dune field is reminiscent of a satellite view of one of Earth's deserts, but this is in fact a beautiful landscape on Mars.

This unusual lenticular galaxy (one whose shape is between a spiral and elliptical) has lost almost all the gas and dust from its signature spiral arms, which used to orbit around its center.

NASA astronauts Victor Glover and Michael Hopkins are scheduled to exit the International Space Station's Quest airlock Saturday to complete tasks that were deferred from earlier spacewalks to allow for the successful installation of modification kits in preparation for future solar array upgrades.

The city lights of Moscow and its suburbs seemingly branch out towards an aurora in this photograph taken from the International Space Station as it orbited 263 miles above the Volga River in Russia.

Plants are pictured growing inside a container for the Asian Herbs study. The space botany investigation is exploring ways to cultivate fast-growing plants used for traditional medicine and food flavoring.

New research led by the University of Cambridge has found rare evidence - preserved in the chemistry of ancient rocks from Greenland - which tells of a time when Earth was almost entirely molten.

Scientists have long theorized that supermassive black holes can wander through space--but catching them in the act has proven difficult.

Astronomers have painted their best picture yet of an RV Tauri variable, a rare type of stellar binary where two stars - one approaching the end of its life - orbit within a sprawling disk of dust.

SpaceCast Weekly is a NASA Television broadcast from the Johnson Space Center in Houston featuring stories about NASA's work in human spaceflight.

Perseverance sends more sounds from Mars, the rocket boosters for Artemis I are all stacked up, and preview of a weekend spacewalk ... a few of the stories to tell you about - This Week at NASA.

NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station.

The Strait of Gibraltar is featured in this false-colour image captured by the Copernicus Sentinel-2 mission.

The Expedition 64 crew had a busy science day observing worms, readying small satellites for deployment, and conducting vision tests.

Researchers at UCL have solved a major piece of the puzzle that makes up the ancient Greek astronomical calculator known as the Antikythera Mechanism, a hand-powered mechanical device that was used to predict astronomical events.

This picture from the International Space Station orbiting 261 miles above Africa looks northeast across Niger to the Tibesti Mountains of Chad.

A long-time question in astrophysics appears to finally be answered, thanks to a collection of large, high-tech water tanks on a mountainside in Mexico.

Scientists using NASA's Hubble Space Telescope have found evidence that a planet orbiting a distant star may have lost its atmosphere but gained a second one through volcanic activity.