A Waning Gibbous Moon Above Earth's Horizon

The waning gibbous Moon is pictured above the Earth's horizon as the International Space Station orbited 272 miles above the Atlantic Ocean off the coast of southern Argentina.

An unusual snowstorm has blanketed parts of Turkey and Greece, causing power cuts and chaos on the roads and flight cancellations.

The Orion crew module adapter for NASA's Artemis III mission is on a work stand inside the high bay of the Neil A. Armstrong Operations and Checkout Building at NASA's Kennedy Space Center in Florida on Jan. 20, 2022.

Caltech researchers used the Mars Reconnaissance Orbiter to determine that surface water left salt minerals behind as recently as 2 billion years ago.

A team mapping radio waves in the Universe has discovered something unusual that releases a giant burst of energy three times an hour, and it's unlike anything astronomers have seen before.

Through analyzes of ice cores from Greenland and Antarctica, a research team led by Lund University in Sweden has found evidence of an extreme solar storm that occurred about 9,200 years ago.

A U.S. resupply ship completed its 24th International Space Station cargo mission after returning to Earth on Monday afternoon. Meanwhile, back in space the Expedition 66 crew had hearing tests while working on a myriad of orbiting lab and science maintenance tasks.

Images of a sunset/sunrise seen from the International Space Station. ESA astronaut Matthias Maurer captured and posted these images to his social channels on 23 January 2022 with the caption:

A faint aurora and the Earth's atmospheric glow crown this night time photograph of Northern Europe, as the International Space Station orbited 262 miles above.

A close-up view of the Orion crew module for NASA's Artemis III mission enclosed on a work stand.

For the second time in its mission so far, the ESA/NASA Solar Orbiter spacecraft has flown through the tail of a comet.

The team has made good progress implementing the initial recovery steps outlined in last week's blog.

152 billion tonnes of fresh water - equivalent to 20 x Loch Ness or 61 million Olympic sized swimming pools, entered the seas around the sub-Antarctic island of South Georgia when the megaberg A68A melted over 3 months in 2020/2021, according to a new study.

SpaceX's upgraded Dragon cargo spacecraft splashed down at 4:05 p.m. EST off the Florida coast, marking the return of the company's 24th contracted cargo resupply mission to the International Space Station for NASA

SpaceX Dragon 24 departing the International Space Station on Sunday 23 January 2022.

Today, at 2 p.m. EST, Webb fired its onboard thrusters for nearly five minutes (297 seconds) to complete the final postlaunch course correction to Webb's trajectory.

New Curtin University research has confirmed the frequency of asteroid collisions that formed impact craters on Mars has been consistent over the past 600 million years.

Venus hides a wealth of information that could help us better understand Earth and exoplanets, or those planets outside our solar system.

An image of the coast of South Florida from Miami up to Cape Canaveral.

The five astronauts representing the Expedition 66 crew had an off-duty day on Friday while the two cosmonauts continued their post-spacewalk activities.

The spiral arms of the galaxy NGC 3318 are lazily draped across this image from the NASA/ESA Hubble Space Telescope.

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

A commercial mission returning cargo from the space station, the first space station spacewalk of the year, and observing a massive volcanic eruption from space... a few of the stories to tell you about - This Week at NASA.

The International Space Station was orbiting 267 miles above the south Pacific Ocean east of New Zealand when this photograph was taken from a window on the seven-windowed cupola.

Roscosmos cosmonaut and Expedition 66 Commander Anton Shkaplerov (upper right) works outside the Nauka multipurpose laboratory module during a spacewalk that lasted seven hours and 11 minutes.

Mid-winter in North America often brings blasts of cold wind blowing south from the Arctic or the Canadian interior.

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

Watch the replay of 'Live from Space: The Next Frontier for Knowledge and Action'.

Part of Mecklenburg-West Pomerania, also known as Mecklenburg-Vorpommern, a state in northeast Germany is featured in this image captured by the Copernicus Sentinel-2 mission.

A U.S. resupply ship will wait at least one extra day to undock from the International Space Station while being packed with critical research samples for return to Earth.

Cosmonauts (from left) Anton Shkaplerov and Pyotr Dubrov are pictured in their Russian Orlan spacesuits.

NASA's Solar Dynamics Observatory captured this image of a solar flare - as seen in the bright flash on the right side of this image of the Sun - on January 20.

The atmospheric plume from an underwater volcano eruption in the Pacific nation of Tonga is pictured from the International Space Station as it orbited 269 miles above the Pacific Ocean northwest of Auckland, New Zealand.

The crater in the center of this HiRISE image defines where zero longitude is on Mars, like the Greenwich Observatory does for the Earth.

Fresh chile peppers are displayed aboard the International Space Station after being harvested from inside the Advanced Plant Habitat.

Planets like Earth, Jupiter, and Saturn with global magnetic fields of their own are surrounded by so-called radiation belts.

Russian cosmonauts Anton Shkaplerov and Pyotr Dubrov of Roscosmos concluded their spacewalk at 2:28 p.m. EST after 7 hours and 11 minutes.

Last week, the Webb team began moving the observatory's individual mirror segments out of their launch positions.

Russian cosmonauts Anton Shkaplerov and Pyotr Dubrov of Roscosmos concluded their spacewalk at 2:28 p.m. EST after 7 hours and 11 minutes.

In view of the of the ISS Expedition 66 Russian spacewalk #51 to outfit the Nauka Multipurpose Laboratory Module.

Images of a land pass over Canada and northern USA during sunrise, captured by ESA astronaut Matthias Maurer on board the International Space Station.

Starliner technicians work on the Orbital Flight Test-2 spacecraft in the high bay of Boeing's Commercial Crew and Cargo Processing Facility at NASA's Kennedy Space Center in Florida on Jan. 13, 2022.

Often portrayed as destructive monsters that hold light captive, black holes take on a less villainous role in the latest research from NASA's Hubble Space Telescope.

The Expedition 66 crew is getting ready for a spacewalk on Wednesday while packing a U.S. resupply ship for its departure on Friday.

On January 13, 2022, the Moderate Resolution Imaging Spectroradiometer (MODIS) on board NASA's Aqua satellite acquired a true-color image of the start of something big--a massive volcanic eruption on from an undersea volcano in Tonga that triggered tsunami waves on January 15which impacted coastal areas from New Zealand to Alaska.

How many black holes are out there in the Universe? This is one of the most relevant and pressing questions in modern astrophysics and cosmology.

Since 2019, SpaceX has been launching an increasing number of internet satellites into orbit around Earth.

NASA astronaut and Expedition 66 Flight Engineer Kayla Barron sets up an AstroBee robotic free flyer with an experimental audio sensor for the SoundSee Mission experiment.

In view are Artemis I Space Launch System main engines in High Bay 3 of the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida on Jan. 10, 2022.

Today: Payloads: Analyzing Interferometer for Ambient Air-2 (ANITA-2): The crew assisted with the initial power-up of the ANITA-2 system by closing switches and adjusting a video camera to monitor the unit.

The Hunga Tonga/Hunga Ha'apai eruption as imaged from the Japanese Himawari-8 weather satellite 36,000km up.

After analyzing powdered rock samples collected from the surface of Mars by NASA's Curiosity rover, scientists today announced that several of the samples are rich in a type of carbon that on Earth is associated with biological processes.

The Artemis I Orion spacecraft, secured on the Space Launch System (SLS) and enclosed in its launch abort system, is in view high up in High Bay 3 of the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida on Jan. 10, 2022.

Fresh chile peppers are pictured growing inside the International Space Station's Advanced Plant Habitat shortly before being harvested.

The evolution of our Earth is the story of its cooling: 4.5 billion years ago, extreme temperatures prevailed on the surface of the young Earth, and it was covered by a deep ocean of magma.

The Expedition 66 crew is wrapping up the work week continuing its Russian spacewalk preparations while packing a U.S. resupply ship for departure next week.

The macroalga giant kelp, which is an iconic and important ecosystem-structuring species found off the coast of California and many other coastlines, can grow 100-feet long within 1-2 years.

The lazily winding spiral arms of the spectacular galaxy NGC 976 fill the frame of this image from the NASA/ESA Hubble Space Telescope.

A world-first study has revealed how space travel can cause lower red blood cell counts, known as space anemia.

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

A major milestone for the James Webb Space Telescope, what astronomers could learn from a "mini" monster black hole, and the latest assessment of our planet's global surface temperature... 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.

An International Space Station solar array captured over Earth from the Cupola window.

Tom Jacobs of Bellevue, Washington, loves treasure hunts.

Images of Patagonia in South America, captured by ESA astronaut Matthias Maurer on board the International Space Station.

This image shows a small light-toned exposure of rock on the plains of Terra Sirenum, in a heavily cratered region of the Southern Hemisphere of Mars.

The Kangerlussuaq Glacier, one of Greenland's largest tidewater outlet glaciers, is pictured in this false-colour image captured by the Copernicus Sentinel-1 mission.

Living long-term in microgravity affects every aspect of the human body and the eyes are no exception.

In one week the first spacewalk of 2022 is set begin at the International Space Station.

The discovery: Water vapor in the atmosphere of planet TOI-674 b.

Astronomers have reported a second, super-sized moon orbiting a Jupiter-sized planet beyond our solar system.

Scientists have shown how the freezing of a 'slushy' ocean of magma may be responsible for the composition of the Moon's crust.

Megaripples, intermediate-scale bedforms caused by the action of the wind, have been studied extensively and thought to be largely inactive relics of past climates, save for a few exceptions.

Exomoons represent a crucial missing puzzle piece in our efforts to understand extrasolar planetary systems.

Scientists using the Atacama Large Millimeter/submillimeter Array (ALMA) and the Karl G. Jansky Very Large Array (VLA) made a rare detection of a likely stellar flyby event in the Z Canis Majoris (Z CMa) star system.