The Black Knight satellite conspiracy claims that an ancient alien probe has orbited Earth for 13,000 years, silently observing humanity. The theory traces its roots to early radio experiments by ...

Breakthrough Listen will scan the the skies with the aid of the MeerKAT Telescope. They are targeting a million nearby stars. [NASA's Planet-Hunting Probe Joins the Search for Intelligent Aliens] ...

Space scientists have revealed a new image of the mysterious space rock that passed through our solar system. Researchers said the picture shows the interstellar Comet 3I/ATLAS, suggested to be a ...

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder ...

The satellite blazed through Earth’s atmosphere and splashed down in the eastern Pacific Ocean on Wednesday, March 11.

A wind-tunnel testing prototype built by Ghia and once thought lost, the only other Probe IV concept resides at the Petersen.

Almost 14 years after its launch, NASA expects its Van Allen Probe A to re-enter Earth's atmosphere on Tuesday. The U.S.

A party hat-shaped object spotted on Mars is drawing renewed scrutiny, with some experts suggesting it could be evidence of ...

Its twin, the Van Allen Probe B, is still orbiting Earth, but no longer functioning. Launched in 2012, the two spacecraft flew through the Van Allen radiation belts that surround Earth, studying them ...