The third known visitor from another star system, Comet 3I/ATLAS, has been racing through the Solar System with just enough ...

As 3I/ATLAS heads past Jupiter, viral theories claim the interstellar object could return towards Earth. What we know.

Interstellar Comet 3I/ATLAS makes its closest Earth pass early on Dec. 19. Here's what astronomers know about its origin and speed.

The deadline for extending the Affordable Care Act subsidies is approaching this month. This is happening even as consumers who depend on the ACA Marketplace are faced with the tough decision. Should ...

Examine the Project Mogul explanation, missing records, Jesse Marcel's later testimony, chilling claims of small bodies and test dummies, and how a single crash in New Mexico evolved into a lasting ...

Since the 1950s, humanity has been searching for extraterrestrial life with increasingly sophisticated tools. But after decades of space probes, meteorite analysis, radio telescopes, and UFO ...

The truth is out there — and late President George H.W. Bush apparently knew it — telling a federal official that an alien made contact with humans at a secretive New Mexico air base in 1964, ...

NASA's highly anticipated comet 3I/ATLAS images have been released, with a space agency official shooting down alien rumors and stressing that the interstellar visitor is a comet. When you purchase ...

Conspiracy theories have raged about 3I/ATLAS being an unnatural object. But the alien question, while fun, generates misinformation and distracts from the science. When you purchase through links on ...