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

The 1990s delivered some of the best television sitcoms of all time and several of these great shows somehow got lost in time ...

With new technologies come new opportunities. And that is especially true in astronomy—with every new advanced telescope, we ...

It catches very low frequency radio waves made by lightning, solar storms and charged particles moving through Earth’s ...

"Independence Day" isn't technically "The War of the Worlds" but it's still one of the most successful adaptations of HG ...

Research indicates airport radar systems may unintentionally broadcast Earth's presence to aliens up to 200 lightyears away, ...

Discover this week's must-see night sky events, moon phases, and stunning astrophotos. Sign up for our skywatching newsletter ...

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

The short answer is that there’s nothing to disclose. But that doesn’t mean we won’t make contact with extraterrestrial life ...

The Great Filter theory suggests advanced civilisations may self-destruct before contacting others, explaining the universe's ...

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