The DOJ told Judge Boasberg that Nicolas Maduro's capture has created a "fluid" situation that could impact "remedies" in ...

It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...

Interstellar comet 3I/ATLAS sheds millions of tons of water as it leaves our solar system. New radio scans find no signs of ...

An international team of researchers pointed the largest single-dish radio telescope in the world at 3I/ATLAS.

Mars. From forming black holes to phantom dark energy, discover the cosmic mysteries astronomers uncovered last year.

The night was warm and muggy over New Castle Air Force Base in Delaware, the kind of heat that clung to the metal skins of the alert fighter jets lined along the runway.

Alien spaceships are in a league of their own, though. Earth does have a force field that could make a spacecraft landing ...

The controversial Harvard astronomer is one of the main sources of the "alien mothership" hypothesis. This is what he thinks, ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what you’ll need to catch a glimpse.

If aliens are out there, why haven’t we heard from them? That’s the question at the center of Pop Mech’s new story, “Aliens Probably Exist—But They’re Staying Silent For a Reason, NASA Scientist ...