An anonymous user shared images claiming they depicted an "egg UFO" discovered in an Antarctic ice cave in 2022.

but the pictures only surfaced this week on Reddit. According to the original poster, UFOnatuer, a professor from the University of Pavia, Italy, had a close encounter with an alien while at work ...

Zero-gravity fun, astonishing space station views and more cosmic gems from September 2018. Russian cosmonaut Oleg Artemyev captured this image of the Earth at night from the International Space ...

Jamie Carter is an award-winning reporter who covers the night sky. Have you seen the weird “alien doorway” on Mars image that went viral on social media? It was sent back by NASA’s ...

The United States Coast Guard intercepted a boat carrying 16 illegal immigrants off the coast of California's Mission Bay on Sunday morning.