Astronomers are tracking a visitor called 3I/ATLAS, the third confirmed interstellar object ever observed. The two previous instances were 1I/’Oumuamua in 2017 and 2I/Borisov in 2019. 3I/ATLAS is ...

Interstellar comet 3I/ATLAS has triggered fevered speculation after the James Webb Space Telescope detected an "out of order" burst of methane in its coma, puzzling even seasoned astronomers. While a ...

The curious minds at What If imagine traveling to a hellish planet in another solar system, exploring extreme temperatures, ...

Astronomers suspect that a massive metallic cloud swirling in a nearby star system could be hiding a giant planet or dwarf ...

Embarking on a spur of the moment astronomy lesson, Musk explained that the sun makes up some 99.8% of mass of the solar system, and that Jupiter, the biggest planet, is just kind of a rounding error ...

Fear not, the Earth will not lose its gravity for 7 seconds this coming August, and please, don't believe everything you see on social media.

Behavior might be chalked up to more than just intentional choices.

Scientists are sharpening the methods used to search for alien artifacts inside our own solar system, drawing on recent ...

Professor Avi Loeb of Harvard cited three reasons 3I/ATLAS might be an alien spacecraft. First, its trajectory is highly ...

Elon Musk marked his last-minute Davos debut on Thursday with a critique of U.S. solar tariffs and aggressive targets for Tesla, including humanoid robot sales next year, as well as flagging European ...

Elon Musk makes first Davos appearance, joins Larry on stage and jokes about aliens, peace deals, and pension funds.

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien ...