Recently discovered Comet C/2025 R3 (PanSTARRS) will make its closest approach to the sun and Earth in late April and could ...

One leading theory proposes a fragmented comet airburst triggered rapid cooling, mass extinctions, and the disappearance of ...

Almost 13,000 years ago, North America underwent drastic changes at a rapid rate. Mammoths, mastodons, giant ground sloths, ...

The Hubble Space Telescope has captured startling structures on interstellar comet 3I/ATLAS, narrow, sun-facing dust streams ...

New polarimetry data on interstellar comet 3I/ATLAS reveals bizarre refractory dust, proving this alien visitor formed in a ...

Astronomers spotted comet C/2025 R3, potentially visible without telescopes. It will approach Earth and Sun in April 2026, ...

NASA and Breakthrough Listen issue a final verdict on the interstellar comet 3I/ATLAS. Is it an alien spaceship? Read the ...

NASA and Gemini North reveal stunning new images of interstellar comet 3I/ATLAS glowing with an eerie green light. Discover ...

On5, 2006, NASA's Stardust spacecraft returned to Earth to drop off a capsule that contained the first samples of a comet and ...

The universe continues to surprise us, and the recent observations of interstellar comet 3I/ATLAS are no exception. As this celestial traveler moves away from our So ...

I/ATLAS is a natural celestial object with all the qualities typical to a comet. It doesn't just belong to our solar system.

Letters include how local law enforcement need to demand proof of ICE agents' qualifications, and America must unite against ...