We hugely underestimate AI and human extinction is a serious threat, say two researchers.

The Dyson Sphere is a theoretical megastructure proposed to surround a star and capture its full energy output. While some ...

The Milky Way contains a modest amount of alien civilizations, a new paper proposes — and there's a reason we aren't seeing ...

The Atlanta Hawks and the Houston Rockets are getting ready to face each other tonight at State Farm Arena and the starting ...

Comet Lemmon will be visible during October 2025 during the Orionid and Taurid meteor showers, creating a month of potential comets, "shooting stars" and fireballs. (2024's Comet 12P/Pons-Brooks is ...