NASA has announced the discovery of a peculiar celestial object named CWISE J1249, which challenges existing classifications ...

American space agency NASA revealed it already used 12 major space assets to track and study the 3I/ATLAS interstellar comet.

Earlier this week, NASA officials released long-delayed images of interstellar visitor 3I/ATLAS.

Across the observable universe, gravity usually plays by rules that astronomers can write down and simulate, yet every so often an object appears so extreme that the equations start to wobble.

Mysterious interstellar object 3I/ATLAS could be passing by Jupiter to "seed" the planet with "technological devices." ...

The long-awaited photos, snapped by multiple NASA spacecraft between September and mid-October, show a tiny, glowing orb ...

Scientists recently discovered a mysterious object in outer space that, for a time, was sending out regular bursts of energy in a way that researchers hadn't previously observed. According to an ...

3I/ATLAS is only the third known interstellar visitor, hence the prefix “3I.” The second known interstellar body, Comet 2I/Borisov, was discovered by the Russian astronomer Gennady Borisov in August ...

NASA on Wednesday released new images of 3I/ATLAS, confirming that the interstellar object is a comet -- not an alien craft -- after weeks of speculation that grew during the recent US government ...

Data show that unidentified lights in archival astronomy images were 68% more likely to be imaged 24 hours after a nuclear weapons test. In the 1950s, mysterious flashes of light were captured on ...