When astronomers spotted a glowing object racing through the solar system earlier this year, some wondered if it could be an ...

Speculations have been circulating that an interstellar comet will reach its closest point to the Sun at a safe distance of ...

Fears of extraterrestrial probes rise with 3I/ATLAS's sunward jet, but NASA debunks: routine comet activity ahead of 29 Oct ...

Comet 3I/ATLAS is warming up as it approaches the sun, causing a jet to emerge. The jet is visible in a dramatic new image.

Two ESA spacecraft, Hera and Europa Clipper, are poised to fly through the long tail of interstellar comet 3I/ATLAS, a new ...

Comets Lemmon and SWAN are nearing Earth in a rare double cosmic treat. Where and what time can you see them? What to know.

NASA has activated a global planetary defense group to study a massive interstellar object exhibiting strange, possibly artificial characteristics ...

Comet 3I/ATLAS is warming up as it approaches the sun, causing a jet to emerge. The jet is visible in a dramatic new image.

Harvard scientist Avi Loeb warns that 3I/ATLAS could be an extraterrestrial “Trojan horse” whose presence has major ...

The next full moon will be the closest supermoon of 2025, set to shine for days. Here's when to watch and what to know about ...

New telescope images show that the interstellar comet 3I/ATLAS is shooting a giant jet of gas and dust toward the sun. This ...

They sky is filled with celestial treats this month, including a close Earth-approach by two comets. Can you see in NJ?