NASA officials said Tuesday that they are seriously considering sending the full-scale engineering model of the Perseverance ...

The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

Jordan Flowers claims Russia and China may be reverse-engineering alien technology, raising national security concerns.

The Swift Observatory is in peril more than 2 decades after a Cape Canaveral launch. Here's what to know about NASA's ...

God and aliens are having a moment. But what do Christianity and other faiths really teach about ETs?

Besiege Broken Beyond launched June 22 on Steam, adding inverse-square-law multi-body orbital gravity, 13 new space blocks, ...

An instrument on the Perseverance rover has identified large, complex carbon compounds alongside unusual patterns on the ...

Matter-antimatter annihilations produce about 10 billion times more energy per unit mass than chemical combustion (which ...

Internet-famous UFO stories so wild they may just be true Alien and UFO sightings have been anomalies for decades. While the ...

When interstellar comet 3I/ATLAS was discovered by the ATLAS survey telescope in Chile on July 1, 2025, it quickly attracted ...

So if you’re needing your alien fix this week, here are the five best alien movies worth adding to your Netflix watchlist. It ...