January 2021

NASA's MErcury Surface, Space ENvironment, GEochemistry and Ranging (MESSENGER) mission to Mercury has been out of operation for nearly six years, but the data it collected keeps on giving, from revealing new insights about Venus' atmosphere to providing a new way to measure the length of time neutrons can survive on their own.

The twin boosters for NASA's Space Launch System (SLS) for Artemis I are in view in High Bay 3 of the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida on Jan. 26, 2021.

The life of a planetary nebula is often chaotic, from the death of its parent star to the scattering of its contents far out into space. Captured here by the NASA/ESA Hubble Space Telescope, ESO 455-10 is one such planetary nebula, located in the constellation of Scorpius (The Scorpion).

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

Ahead of World Wetlands Day, the Copernicus Sentinel-2 mission takes us over Lake Titicaca - one of the largest lakes in South America.

Four Expedition 64 astronauts are winding down today following Wednesday's near seven-hour spacewalk outside the International Space Station.

The high schoolers turned scientists published their findings this week, thanks to a research mentorship program at the Center for Astrophysics; Harvard and Smithsonian

A new type of rocket thruster that could take humankind to Mars and beyond has been proposed by a physicist at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL).

At some point between 300 million and 1 billion years ago, a large cosmic object smashed into the planet Venus, leaving a crater more than 170 miles in diameter.

NASA astronauts Mike Hopkins and Victor Glover concluded their spacewalk at 1:24 p.m. EST, after 6 hours and 56 minutes.

NASA's Mars 2020 Perseverance rover mission is just 22 days from landing on the surface of Mars.

American astronauts in 2024 will take their first steps near the Moon's South Pole: the land of extreme light, extreme darkness, and frozen water that could fuel NASA's Artemis lunar base and the agency's leap into deep space.

The galaxy NGC 6946 is nothing short of spectacular.

It was previously thought that collisions between galaxies would necessarily add to the activity of the massive black holes at their centers.

A lot is known about galaxies. We know, for instance, that the stars within them are shaped from a blend of old star dust and molecules suspended in gas. What remains a mystery, however, is the process that leads to these simple elements being pulled together to form a new star.

NASA astronauts Mike Hopkins and Victor Glover are scheduled to depart the International Space Station's Quest airlock Wednesday for the first in a series of spacewalks to upgrade station hardware and systems.

This recording was made on 18 November 2020 by the Heliospheric Imager (SoloHI) camera on board the ESA/NASA Solar Orbiter spacecraft.

A research team - the first to carry out a survey of global ice loss using satellite data - has discovered that the rate at which ice is disappearing across the planet is speeding up.

When it launches in the mid-2020s, NASA's Nancy Grace Roman Space Telescope will explore an expansive range of infrared astrophysics topics.

Several Expedition 64 crewmembers are gearing up for the first two spacewalks of 2021. The rest of the crew spent Monday on science and maintenance tasks aboard the International Space Station.

The SpaceX Crew Dragon spaceship, with its two lit crew windows, is pictured docked to the Harmony module's international docking adapter as the International Space Station orbited 264 miles above the North Atlantic off the coast of Ireland.

The waxing gibbous Moon is pictured from the International Space Station as it orbited 263 miles above the Pacific Ocean near the island state of Samoa and the U.S. territory of American Samoa.

The HUNCH - High school students United with NASA to Create Hardware - Program has expanded its partnership opportunities to the Dade County, Georgia, school system in Trenton.

Musical notes that sound pleasant together can form a harmony. These notes are usually in a special relationship with each other: when expressed as frequencies, their ratios result in simple fractions, such as four-thirds or three-halves.

Today: Payloads - Antimicrobial coatings: The crew touched coupons A-G (uncoated), then touched H-N, then took photos of each of the coupons.

This night time shot of of Tokyo, Yokohama, and the numerous municipalities surrounding Tokyo Bay, was taken from the International Space Station as it orbited 262 miles above the Sea of Japan.

The International Space Station was orbiting 264 miles above the North Atlantic when this photograph was taken of an aurora streaming above the Earth's horizon.

First discovered in 1798 by German-English astronomer William Herschel, NGC 613 is a galaxy that lies in the southern constellation of Sculptor, 67 million light-years away.

The narrow galaxy elegantly curving around its spherical companion in this image is a fantastic example of a truly strange and very rare phenomenon!

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

DNA, time perception and combustion investigations filled the research schedule aboard the International Space Station today.

Sardinia, the second-largest island in the Mediterranean Sea, is featured in this false-colour image captured by the Copernicus Sentinel-2 mission.

In symbolic recognition of earlier generations' ambitions and accomplishments, and support for America's current Moon to Mars exploration approach, a Moon rock now sits in the Oval Office of the White House.

Once upon a time, seasons in Gale Crater probably felt something like those in Iceland. But nobody was there to bundle up more than 3 billion years ago.

Astronomers at the Center for Astrophysics | Harvard & Smithsonian have detected the first Jupiter-like planet without clouds or haze in its observable atmosphere. The findings were published this month in the Astrophysical Journal Letters.

Rather like David versus Goliath, it appears that Saturn's tilt may in fact be caused by its moons.

The Amazon River is pictured from the International Space Station as it orbited 260 miles above Brazil in South America.

For the first time, scientists have successfully used satellite cameras coupled with deep learning to count animals in complex geographical landscapes, taking conservationists an important step forward in monitoring populations of endangered species.

In a new paper published today in the Proceedings of the National Academies of ScienceS (PNAS), planetary geologist Joe Levy, assistant professor of geology at Colgate University, reveals a groundbreaking new analysis of the mysterious glaciers of Mars.

The core mass of the giant exoplanet WASP-107b is much lower than what was thought necessary to build up the immense gas envelope surrounding giant planets like Jupiter and Saturn, astronomers at Université de Montréal have found.

Scientists have combined NASA data and cutting-edge image processing to gain new insight into the solar structures that create the Sun's flow of high-speed solar wind, detailed in new research published today in The Astrophysical Journal.

Astronomers are winding back the clock on the expanding remains of a nearby, exploded star. By using NASA's Hubble Space Telescope, they retraced the speedy shrapnel from the blast to calculate a more accurate estimate of the location and time of the stellar detonation.

Images of two iconic planetary nebulae taken by the Hubble Space Telescope are revealing new information about how they develop their dramatic features

Redwood National and State Parks are pictured on the northern California coast as the International Space Station orbited 262 miles above the Pacific Ocean.

Shortly after NASA's Kepler mission began operations back in 2009, the space telescope spotted what was thought to be a planet about half the size of Saturn in a multiple-star system.

A trio of papers provide new insight into the composition and evolution of the surface of Venus, hidden beneath its caustic, high temperature atmosphere. Utilizing imaging from orbit using multiple wavelengths - six-band spectroscopy proposed as part of the VERITAS and EnVision missions - scientists can map the iron content of the Venusian surface and construct the first-ever geologic map.

NASA conducted a hot fire Saturday of the core stage for the agency's Space Launch System (SLS) rocket that will launch the Artemis I mission to the Moon. The hot fire is the final test of the Green Run series.

The annual assessment of global temperatures, a first-of-its-kind undocking from the space station, and a look at what goes into the Green Run hot fire test ... 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 Copernicus Sentinel-2 mission takes us over the Tanezrouft Basin - one of the most desolate parts of the Sahara Desert.

Understanding how microgravity impacts perception, vision and combustion highlighted Thursday's research aboard the International Space Station.

This view from one of seven windows on the cupola shows an orbital sunrise as the International Space Station orbited 260 miles above the Pacific Ocean.

Astronomers using images from Kitt Peak National Observatory and Cerro Tololo Inter-American Observatory have created the largest ever map of the sky, comprising over a billion galaxies.

Data from the DESI (Dark Energy Spectroscopic Instrument) Legacy Imaging Surveys have revealed over 1200 new gravitational lenses, approximately doubling the number of known lenses.

Mauna Loa, the world's largest active volcano, on the island of Hawaii is pictured from the International Space Station as it orbited 260 miles above the Pacific Ocean

The Chuska Mountains of the Navajo Nation in New Mexico are pictured from the International Space Station as it orbited 262 miles above the "Land of Enchantment."

A remarkable prediction of Einstein's theory of general relativity--the theory that connects space, time, and gravity--is that rotating black holes have enormous amounts of energy available to be tapped.

On April 15, 2020, a brief burst of high-energy light swept through the solar system, triggering instruments on several NASA and European spacecraft.

With NASA astronaut Victor Glover monitoring aboard the International Space Station, an upgraded SpaceX cargo Dragon spacecraft undocked from the International Docking Adapter on the station's space-facing port of the Harmony module at 9:05 a.m. EST.

As the rover has continued to ascend Mount Sharp, it's found distinctive benchlike rock formations.

The most distant quasar known has been discovered. The quasar, seen just 670 million years after the Big Bang, is 1000 times more luminous than the Milky Way, and is powered by the earliest known supermassive black hole, which weighs in at more than 1.6 billion times the mass of the Sun.

In 2020, astronomers added a new member to an exclusive family of exotic objects with the discovery of a magnetar. New observations from NASA's Chandra X-ray Observatory help support the idea that it is also a pulsar, meaning it emits regular pulses of light.

As the International Space Station orbits Earth, its four pairs of solar arrays soak up the sun's energy to provide electrical power for the numerous research and science investigations conducted every day, as well as the continued operations of the orbiting platform.

Pairs of black holes billions of times more massive than the Sun may be circling one another, generating ripples in space itself.

One of the Hubble Space Telescope's most iconic images is the Hubble Ultra Deep Field, which unveiled myriad galaxies across the universe, stretching back to within a few hundred million years of the Big Bang.

This night time photograph of New York City, and the surrounding New York/New Jersey metropolitan area, was taken from the International Space Station as it orbited 263 miles above Pennsylvania.

Northrop Grumman's Cygnus space freighter departs the International Space Station moments after being released from the Canadarm2 robotic arm on Thursday, Jan. 7, 2021, completing a 93-day cargo mission attached to the orbiting lab.

What feels like up may actually be some other direction depending on how our brains process our orientation, according to psychology researchers at York University's Faculty of Health.

By capsule, helicopter, boat, plane, and car, space station science experiments are about to make a first of a kind journey back to researchers on Earth.

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

As the world leaves behind the strange and challenging year of 2020, we look towards 2021 with a mixture of relief and expectation.

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

The Expedition 64 crew had a light duty day Thursday following a busy holiday season filled with space research and U.S. cargo ship departure preparations.

A University of Arizona-led research team has found bands and stripes on the brown dwarf closest to Earth, hinting at the processes churning the brown dwarf's atmosphere from within.

Last month, Japan's Hayabusa2 mission brought home a cache of rocks collected from a near-Earth asteroid called Ryugu.