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The European Space Agency’s Mars Express orbiter captured this view of Mars’ south polar ice cap Feb. 25, 2015. Three years later, the spacecraft detected a signal from the area to the right of the ice cap that scientists interpreted as an underground lake.

NASA Orbiter Shines New Light on Long-Running Martian Mystery

article2 days ago

CHAPEA mission 2 crew members (from left) Ross Elder, Ellen Ellis, Matthew Montgomery, and James Spicer, pose in front of the door to the simulated Martian landscape for their first photo inside the CHAPEA habitat after their mission began in October 2025

CHAPEA Crew Begins Stay Inside NASA’s Mars Habitat for Second Mission

article2 days ago

NASA, NOAA Rank 2025 Ozone Hole as 5th Smallest Since 1992

NASA, NOAA Rank 2025 Ozone Hole as 5th Smallest Since 1992

article3 days ago

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Featured

NASA’s Roman Observatory Passes Spate of Key Tests

NASA’s Roman Observatory Passes Spate of Key Tests

article 2 days ago

Hubble Seeks Clusters in ‘Lost Galaxy’

Hubble Seeks Clusters in ‘Lost Galaxy’

article 6 days ago

Europa Clipper Captures Uranus With Star Tracker Camera

Europa Clipper Captures Uranus With Star Tracker Camera

article 7 days ago

Highlights

CHAPEA Crew Begins Stay Inside NASA’s Mars Habitat for Second Mission

CHAPEA Crew Begins Stay Inside NASA’s Mars Habitat for Second Mission

article 2 days ago

NASA’s 2025 Astronaut Candidates: Shaping Artemis Exploration

NASA’s 2025 Astronaut Candidates: Shaping Artemis Exploration

article 3 days ago

The Overview Effect: Astronaut Perspectives from 25 Years in Low Earth Orbit

The Overview Effect: Astronaut Perspectives from 25 Years in Low Earth Orbit

article 4 days ago

Highlights

Landsat 6

Landsat 6

article 3 days ago

NASA, NOAA Rank 2025 Ozone Hole as 5th Smallest Since 1992

NASA, NOAA Rank 2025 Ozone Hole as 5th Smallest Since 1992

article 3 days ago

NASA, Aerospace Corporation Study Sharpens Focus on Ammonia Emissions

NASA, Aerospace Corporation Study Sharpens Focus on Ammonia Emissions

article 1 week ago

Highlights

NASA Orbiter Shines New Light on Long-Running Martian Mystery

NASA Orbiter Shines New Light on Long-Running Martian Mystery

article 2 days ago

Amendment 24: F.10 Payloads and Research Investigations on the Surface of the Moon (PRISM) Due Dates Reset and Other Changes.

Amendment 24: F.10 Payloads and Research Investigations on the Surface of the Moon (PRISM) Due Dates Reset and Other Changes.

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What’s Up: November 2025 Skywatching Tips from NASA

What’s Up: November 2025 Skywatching Tips from NASA

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Featured

Hubble Seeks Clusters in ‘Lost Galaxy’

Hubble Seeks Clusters in ‘Lost Galaxy’

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Corrections to F.3 Exoplanets Research

Corrections to F.3 Exoplanets Research

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NASA’s TESS Spacecraft Triples Size of Pleiades Star Cluster

NASA’s TESS Spacecraft Triples Size of Pleiades Star Cluster

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Highlights

PLANETS Units Have Landed – Free NASA-Funded Out-of-School Time Resources

PLANETS Units Have Landed – Free NASA-Funded Out-of-School Time Resources

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Amendment 26: D.2 Astrophysics Data Analysis Final Text and Due Dates Released

Amendment 26: D.2 Astrophysics Data Analysis Final Text and Due Dates Released

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NASA & GLOBE Connect People, Land, and Space

NASA & GLOBE Connect People, Land, and Space

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NASA’s X-59 Completes First Flight, Prepares for More Flight Testing

NASA’s X-59 Completes First Flight, Prepares for More Flight Testing

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NASA Flights Study Cosmic Ray Effects for Air, Future Space Travelers

NASA Flights Study Cosmic Ray Effects for Air, Future Space Travelers

article 2 months ago

NASA, Partners Push Forward with Remotely Piloted Airspace Integration

NASA, Partners Push Forward with Remotely Piloted Airspace Integration

article 2 months ago

Highlights

Amendment 24: F.10 Payloads and Research Investigations on the Surface of the Moon (PRISM) Due Dates Reset and Other Changes.

Amendment 24: F.10 Payloads and Research Investigations on the Surface of the Moon (PRISM) Due Dates Reset and Other Changes.

article 3 days ago

What is BioSentinel?

What is BioSentinel?

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NASA, Industry Weave Data Fabric with Artificial Intelligence

NASA, Industry Weave Data Fabric with Artificial Intelligence

article 1 week ago

Featured

Join Artemis

Join Artemis

article 1 week ago

Featured

NASA, Aerospace Corporation Study Sharpens Focus on Ammonia Emissions

NASA, Aerospace Corporation Study Sharpens Focus on Ammonia Emissions

article 1 week ago

New Citizen Science Proposals Funded in 2025

New Citizen Science Proposals Funded in 2025

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The Overview Effect: Astronaut Perspectives from 25 Years in Low Earth Orbit

The Overview Effect: Astronaut Perspectives from 25 Years in Low Earth Orbit

article 4 days ago

Highlights

Pódcast en español de la NASA estrena su tercera temporada

Pódcast en español de la NASA estrena su tercera temporada

article 5 months ago

Las carreras en la NASA despegan con las pasantías

Las carreras en la NASA despegan con las pasantías

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El X-59 de la NASA completa las pruebas electromagnéticas

El X-59 de la NASA completa las pruebas electromagnéticas

article 9 months ago

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May 13, 1999

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1999
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May 13, 1999

Changing Global Cloudiness
Natural Lenses in Space Stretch Hubble’s View of the Universe

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