The curious minds at What If imagine aliens arriving on Earth today without warning, exploring the immediate reactions, chaos, and first contact scenarios.

A new study published as a pre-peer-reviewed paper on arXiv and accepted for publication in Astronomy & Astrophysics suggests ...

Professor Avi Loeb of Harvard cited three reasons 3I/ATLAS might be an alien spacecraft. First, its trajectory is highly unusual. The object passed through space relatively close to multiple planets ...

At Davos, the billionaire said his belief that life is "extremely rare" drives Tesla, SpaceX, and his vision for humanity's ...

For the weekend of January 23 to 25, check out how huge legendary British synth band Depeche Mode are in Mexico; tag along with Ed Sheeran on an impromptu New York busk session, and then warp off into ...

Larry Fink, president and CEO of investment firm BlackRock, interviewed Elon Musk, CEO of Tesla and SpaceX at the World ...

Prototaxites fossils unearthed in Scotland that will be exhibited in the National Museums Scotland is believed to belong to gigantic organisms ...

We asked our readers to name their favourite films in the sci-fi genre – and these were the titles that came up most often.