A cosmic visitor is stirring up an earthly debate. A Harvard University astrophysicist has suggested the incoming interstellar object 3I/ATLAS could be an alien probe. But NASA and most astronomers ...

Could a comet’s tail pointing towards the Sun possibly indicate alien technology, or is it just a strange quirk of dust physics? While interstellar comet 3I/ATLAS speeds by our planet at a blistering ...

Astonishingly, we can identify molecules present in the atmospheres of exoplanets.

With the future of Congress and Trump’s legislative agenda on the line, the Honest Elections Project is warning of critical ...

Did an alien spacecraft just fly by Earth? That’s the question a lot of people, including Harvard astrophysicist Avi Loeb, are asking right now. A massive interstellar object called 3I/ATLAS which ...

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 ...

"Star Trek" heroes are clever, but so are many of its villains. With vast knowledge and inhuman capabilities, they keep ...

Data from NASA's Parker Solar Probe has enabled astronomers to map the unssen surface of the sun's atmosphere for the first time. When you purchase through links on our site, we may earn an affiliate ...

Follow live coverage from NBC News as President Donald Trump launches his Board of Peace at Davos and Denmark, Greenland ...

For one, it came down to timing. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. It came from outer space. Interstellar space, to be precise.

This is an important appointment for women over 50 ...