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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

article19 hours 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

article18 hours ago

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

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

article2 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 16 hours ago

Hubble Seeks Clusters in ‘Lost Galaxy’

Hubble Seeks Clusters in ‘Lost Galaxy’

article 5 days ago

Europa Clipper Captures Uranus With Star Tracker Camera

Europa Clipper Captures Uranus With Star Tracker Camera

article 6 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 18 hours ago

NASA’s 2025 Astronaut Candidates: Shaping Artemis Exploration

NASA’s 2025 Astronaut Candidates: Shaping Artemis Exploration

article 2 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 3 days ago

Highlights

Landsat 6

Landsat 6

article 2 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 2 days ago

NASA, Aerospace Corporation Study Sharpens Focus on Ammonia Emissions

NASA, Aerospace Corporation Study Sharpens Focus on Ammonia Emissions

article 6 days ago

Highlights

NASA Orbiter Shines New Light on Long-Running Martian Mystery

NASA Orbiter Shines New Light on Long-Running Martian Mystery

article 19 hours 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.

article 2 days ago

What’s Up: November 2025 Skywatching Tips from NASA

What’s Up: November 2025 Skywatching Tips from NASA

article 6 days ago

Featured

Hubble Seeks Clusters in ‘Lost Galaxy’

Hubble Seeks Clusters in ‘Lost Galaxy’

article 5 days ago

Corrections to F.3 Exoplanets Research

Corrections to F.3 Exoplanets Research

article 6 days ago

NASA’s TESS Spacecraft Triples Size of Pleiades Star Cluster

NASA’s TESS Spacecraft Triples Size of Pleiades Star Cluster

article 6 days ago

Highlights

NASA & GLOBE Connect People, Land, and Space

NASA & GLOBE Connect People, Land, and Space

article 15 hours ago

Amendment 25: Final Text and Step-1 Due Date for B.3 Living With a Star Science

Amendment 25: Final Text and Step-1 Due Date for B.3 Living With a Star Science

article 15 hours ago

NASA Orbiter Shines New Light on Long-Running Martian Mystery

NASA Orbiter Shines New Light on Long-Running Martian Mystery

article 19 hours ago

Highlights

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

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

article 7 days ago

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 2 days ago

What is BioSentinel?

What is BioSentinel?

article 5 days ago

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 6 days ago

New Citizen Science Proposals Funded in 2025

New Citizen Science Proposals Funded in 2025

article 6 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 3 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

article 7 months ago

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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February 01, 2008

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February 01, 2008

Ancient Forest to Modern City
Cassini Significant Events 01/23/08 – 01/29/08

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