Today is one astronomers, stargazers and alien conspiracy theorists have been waiting for: interstellar comet 3I/ATLAS is as ...

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will soon come as close to our planet as it ever will.

NASA will livestream new 3I/ATLAS images today, Wednesday, Nov. 19, 2025, amid increased public interest in the mystery of the interstellar object after Harvard University astrophysicist Avi Loeb ...

Comet 3I/ATLAS, the third interstellar object ever detected, reached its closest point to Earth overnight from Thursday to Friday (Dec. 18 to 19), and it remains in a good viewing position tonight.

The livestream will now begin Friday at 11 p.m. EST, Dec. 19 (0400 GMT on Dec. 20), weather permitting, after rain prevented ...

NASA scientists have reported an unusual signal in near-Earth space, describing a phenomenon they have not previously observed so close to our planet. The finding, while still being analyzed, ...

The Solar Dynamics Observatory saw a lunar transit and an Earth eclipse on July 25 — the first when the moon passed between it and the sun, and another when Earth did the same. When you purchase ...

CAPE CANAVERAL, Fla. (AP) — NASA and India paired up to launch an Earth-mapping satellite on Wednesday capable of tracking even the slightest shifts in land and ice. Watch NASA's news briefing in the ...

This historic photograph marks a pivotal moment in space exploration—the first image of Earth captured from the vantage point ...