NASA and SETI experts scan interstellar visitor 3I/ATLAS for alien 'technosignatures' as scientists say the 137,000mph object ...

Recent scans of interstellar visitor 3I/ATLAS by the Green Bank Telescope show no radio signals, yet astronomers argue it is ...

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

The CIA's refusal to confirm records on interstellar object 3I/ATLAS sparks a global debate. Is it a comet or a 'black swan' ...

Humans may, one day, be able to inhabit other planets. Some advocates argue that remaining on only one courts disaster.

When the most dramatic close-up of an alien visitor remains behind the closed door, the vacuum is quickly filled. This has become the case with the comet 3I/ATLAS which is one of the rare bodies in ...

Demonstrations took place from New York to San Francisco following the fatal shooting of a U.S. citizen by ICE. Follow ...

The shooting involving federal agents that wounded two people in Portland tonight was part of a targeted operation, two law ...

Blink, and you'll miss these celebs' sneaky "Star Trek" cameos. Many of them are Trekkies themselves who were honored just to ...

Scientists have discovered a mysterious hole on the surface of Mars, and they have no idea what lies inside it. This pit, ...

Though this hunt came up empty, the fact that 3I/ATLAS is only the third known object found in the solar system after ...

New models suggest that Europa has very little tectonic activity at its seafloor, which is potentially catastrophic news for ...