A recently discovered "super Earth" located around 25 light-years from our planet is not as massive as previously thought, ...

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

A study using the Very Large Array radio telescope may have discovered a magnetic field on exoplanet YZ Ceti b. Magnetic ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

A Catholic nun made a startling assertion about UFOs, cautioning that purported alien encounters are in fact a menacing ...

An unusual sighting in a NASA image has reignited speculation that something extraterrestrial once existed on Mars.

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...

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

Avi Loeb, a cosmologist who studied black holes and served as head of Harvard’s astronomy department until 2020, was recently appointed to helm a new scientific advisory council tasked with ...