Space Exploration

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Interstellar Visitor 3I/ATLAS Nears Perihelion as Europa Clipper Eyes Possible Ion-Tail Brush

Agencies describe the object as a natural, nonthreatening comet during its Sun-side blackout.

NASA, MPC and IAWN Activate Planetary-Defense Monitoring for Interstellar 3I/ATLAS as Perihelion Nears

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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

PNAS Study Finds Rare Water-Rich Meteorite Relics in Chang'e-6 Far-Side Samples

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

Study Finds Hydrogen Cyanide Forms Co‑Crystals With Methane Under Titan Conditions

JWST Finds Five Complex Organic Ices Around a Protostar in the Large Magellanic Cloud

Keck Confirms Anti-Solar Tail and Nickel-Rich Emissions From Interstellar Comet 3I/ATLAS

Interstellar Comet 3I/ATLAS Surprises Researchers With CO2-Rich Coma and Nickel Vapor

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

‘9-1-1’ Leaves Spaceflight in Jeopardy After Risky Launch Decision

First Detection of Heavy Water in a Planet-Forming Disk Points to Prestellar Origins

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

JPL Cuts 550 Jobs in Reorganization, Staff Notified Tuesday

K2 Space Books 2027 SpaceX Launch for Three-Orbit Trinity Demonstration

Cassini Reanalysis Finds Complex Organics From Enceladus’s Ocean in Fresh Plume Grains

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