NATIONWIDE — Crew-12 members and NASA astronaut Chris Williams were evacuated to a SpaceX Dragon capsule on Friday as Russia’s space agency was fixing an air leak on the International Space Station, ...

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

A one-of-a-kind NASA space telescope is about to fall out of the sky. For more than two decades, the Neil Gehrels Swift ...

The US military begins tracking a mysterious spacecraft maneuvering near one of the Space Force’s missile-warning satellites ...

Our solar system is a celestial shooting gallery, chock-full of flying projectiles that one day could threaten Earth—so what ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

Incursions reportedly have ranged from UAP detected over U.S. military bases to drone-like objects with flashing lights that ...

He estimates hundreds of incidents occur annually that baffle military leaders. In one series of events, Mellon said, UAP ...

A hoax 'alien invasion' alert in Brazil caused panic and amusement, revealing vulnerabilities in emergency systems.

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

While a city is not a living organism, it behaves very much like one. Its metabolic processes may be manifested in growth ...

Pandora mission is designeed to "provide in-depth study of at least 20 known planets orbiting distant stars," according to NASA's Goddard Space Flight Center. Credit: NASA’s Goddard Space Flight ...