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NASA

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June Lockhart, TV Matriarch of Lassie and Lost in Space, Dies at 100

The family reports natural causes, with donations in lieu of flowers to The Actors Fund, ProPublica or International Hearing Dog.

NASA Activates Planetary-Defense Monitoring for Interstellar Comet 3I/ATLAS as Perihelion Nears

3I/ATLAS Nears Perihelion as Agencies Coordinate Tracking and Spacecraft Tail-Sampling Opportunities

NASA Stacks Artemis II for Early February Launch as Agency Delays Artemis III and Reopens Lander Competition

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NASA Confirms Earth’s Temporary Quasi-Satellite as Interstellar Comet 3I/ATLAS Nears Perihelion

NASA Confirms Tiny Asteroid 2025 PN7 as Earth’s Newest Quasi-Moon

NASA Confirms Tiny Asteroid 2025 PN7 as Earth’s Quasi-Moon Through 2083

Europa Clipper May Skim 3I/ATLAS’s Ion Tail as Interstellar Comet Nears Perihelion

Titan Study Shows Hydrogen Cyanide Mixing With Methane and Ethane in Stable Co-Crystals

Water Detected From Interstellar Visitor 3I/ATLAS as Perihelion Nears

Twin Green Comets Enter Prime Viewing Week Before Closest Approaches

Mars Orbiters Capture Closest Views of Interstellar 3I/ATLAS as UV Data Reveal Intense Water Outgassing

Interstellar Visitor 3I/ATLAS Shows Water and CO2 Activity as Mars Orbiters Snag Difficult Views

ESA Mars Orbiter Captures Closest View of Interstellar Comet 3I/ATLAS

Sealed Apollo 17 Sample Reveals Exotic Sulfur Signature Unlike Earth’s

Bill Nye Leads Capitol Hill Push to Block Deep NASA Cuts as Congress Signals Reprieve

After Mars Flyby, Interstellar Comet 3I/ATLAS Delivers Data as Agencies Reject Artificial Claims

Viral Mars Rover Image of 3I/ATLAS Draws Fresh Scrutiny as Scientists Flag Camera Artifact

Cassini Reanalysis Finds Complex Organics in Fresh Enceladus Plume Grains

ESA Spacecraft Track Interstellar Comet 3I/ATLAS Near Mars as Perihelion Nears