The Transiting Exoplanet Survey Satellite (TESS) revealed a distant planet located 40,000 light-years away using microlensing for the first time.

Harvard astronomer known for his theories about alien visits has been appointed by the Trump administration to lead a team of ...

The White House appointed former Harvard University astronomer Avi Loeb to lead its new panel on Unidentified Anomalous ...

Avi Loeb is a celebrity among UFO fans; however, within the scientific community, he's been the target of criticism.

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

A covert Chinese space plane has quietly released a new UFO-like object into orbit, according to US tracking data, fuelling ...

SETI researchers found no alien signals on interstellar object 3I/ATLAS, but the study refines future searches and expands ...

NASA's Swift Observatory is in peril. A last minute mission to save it could make spaceflight history. Here's everything to ...

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