Watch how dramatically the sky changes across planets and moons in our solar system. From pitch-black horizons to glowing ...

The purple egg-shaped object – that looks like it is from the poster for the 1979 horror “Alien” – is in fact a potato that ...

In October 2017, astronomers detected Oumuamua, the first known interstellar object to enter our solar system. As it passed the Sun, it showed a small but measurable acceleration — about 17 meters per ...

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder to detect.

“Project Hail Mary,” the movie adaptation to Andy Weir’s 2021 novel about a science teacher attempting to save the Earth from ...

Plus: OpenAI says that Chinese law enforcement tried to get ChatGPT to plan an online political campaign This is today's edition of The Download, our weekday newsletter that provides a daily dose of ...

By Will Dunham WASHINGTON, March 16 (Reuters) - Astronomers have spotted a planet orbiting a star in our neighborhood of the ...

A retired 'UFO general' and a NASA-linked scientist have both vanished in the US, fuelling clashes over whether the case ...

Aliens: "Sorry, you're cutting out!" The post Something May Be Scrambling Alien Messages, NASA-Funded Research Finds appeared ...

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about ...

Alien invasions are terrifying to think about, but cool to watch on TV. These are the 10 best shows you can watch about that ...