In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from ...

Titan, Saturn's largest moon, is home to vast lakes and seas - not of water, but of liquid methane and ethane. In this video, ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a ...

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

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