Eventually, we'll launch a mission dedicated solely to studying an interstellar object. When that day comes, which one should ...

A new policy paper proposes a lunar biocontainment facility for extraterrestrial samples. This secure lunar laboratory would ...

Around 40 light years away from Earth, hidden in the constellation Pisces, there is a small alien world that has captured the ...

NASA's proposed Habitable Worlds Observatory will be designed for robotic repairs instead of astronaut servicing. The ...

Launching in the 2040s, the HWO telescope will search for Earth-like planets and feature swap-out instruments maintained by ...

Metal spheres found on a Queensland beach are likely space debris, not extraterrestrial. The Australian Space Agency is working with international partners to confirm their origin.

Experts suspect this space rock is a piece of the lunar surface torn off by a meteor impact, so it could be a time capsule ...

The discovery bemused residents of a small town in northeastern Australia. The objects appear to be junk from a space launch, ...

The Transporter-17 rideshare mission is scheduled to lift off at 3:10 a.m. ET on Tuesday (July 7).

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals . Unexplained gases on other planets. Things mistaken for UFOs ...

The Empire Strikes Back dominated the box office and the cultural discussion in 1980, but other iconic sci-fi movies ...