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 ...

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

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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.

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 ...

Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a sigh of relief. It's not.

Astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spacecraft. 3I/ATLAS was confirmed as the third known object to enter our solar system from interstellar ...

Forbes contributors publish independent expert analyses and insights. Adam Frank is an astrophysicist exploring our place in the Cosmos. As a practicing astrophysicist and science communicator I see ...