Elon Musk has spent years oscillating between joking that he is an alien and warning that contact with real extraterrestrials ...

Harvard astrophysicist Avi Loeb identifies 18 anomalies of interstellar object 3I/ATLAS, raising questions about whether it ...

Did two vast holes really open up on the Sun and point directly at Earth? We unpack whether Earth is facing serious space ...

In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to ...

Scientists confirmed that the interstellar comet 3I/ATLAS, which passed closest to Earth in December 2025, showed no ...

Scientists have found new evidence suggesting that interstellar 3I/ATLAS is not an alien spaceship, as one conspiracy theory ...

Best-selling Swiss author Erich von Daeniken, who built a lucrative career on his argument, rubbished by scientists and ...

"It's about the themes of love and sacrifice and family. And maybe asking ourselves, 'What am I going to do that adds quality ...

While late M-stars are the easiest places to find Earth-sized planets, a new study suggests they are biological dead ends where animal life may never find enough fuel to evolve.

From mind-bending anthologies and space epics to dystopian thrillers, here are 2025’s most essential sci-fi shows and where to watch them online.

3I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar ...

Comet 3I/ATLAS, only the third known object from interstellar space to pass through our solar system, is about to make its closest approach to Earth. On Friday, Dec. 19, it will come within about 170 ...