A test model of the Perseverance rover, designed to explore the surface of Mars, sits in a garage at NASA’s Jet Propulsion ...

Astronomer Avi Loeb suspects this interstellar visitor is a piece of alien technology, citing its unusual traits and the ...

The CIA told Greenewald in a formal response to his FOIA that it will “neither confirm nor deny the existence or nonexistence ...

One of the most famous TV shows of all time, Friends, is also leaving Netflix after years. Fans are now unable to stream the ...

NASA's Curiosity rover has sent back a striking new "postcard" from high on the slopes of the Red Planet's Mount Sharp, ...

A new study reveals that tiny fragments of Earth's atmosphere are transported to and absorbed by the moon via gusts of solar ...

The British military thought there was ‘basis in fact’ to UFO sightings and wanted to get their hands on the ...

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

Hints of ancient microbes in Martian rocks and a revived theory about our cosmic ancestry are forcing scientists to rethink ...

When we talked about searching for life on Europa, we didn't mean making the place a nightmare for arachnophobes.

Humans have long imagined life on Mars, but what if the red planet actually delivered life to Earth in the first place?

Some scientific breakthroughs may be lost to time due to scandal and redaction, while others are simply a case of waiting for ...