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

Seth Shostak / SETI Institute A newly spotted interstellar visitor just got an unusually close listen from California ...

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

From the Navy’s infamous Tic-Tac encounter to thousands of recent reports, believers say some of the strangest UFOs may be hiding underwater.

The nature of space, time and the evolution of life on Earth mean it’s unlikely extraterrestrial life has visited our home ...

For your extraterrestrial viewing needs, Stacker ranked the top 30 alien movies, according to their IMDb user rating.

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

Based on evidence collected by the James Webb Space Telescope, researchers have found that interstellar comet 3I/ATLAS could ...

The giant asteroid made waves across the world last year when it came whizzing past Earth - with some experts convinced it ...

A polarizing Harvard University astronomer known for splashy theories about alien visits has been tapped by the White House to lead a team of outside scientists to study the national security risks ...

A polarizing Harvard astronomer has been appointed to lead a Trump administration panel studying UFOs. Avi Loeb is leading a ...