Astronomers have discovered a mysterious new object in our Milky Way, which is emitting X-rays and radio waves at the same time.

Celestial AI, one of several Silicon Valley chip startups aiming to crack a key speed constraint in artificial intelligence, said on Tuesday it has raised an additional $250 million in venture ...

Celestial AI today announced that it raised $100 million in a Series B round led by IAG Capital Partners, Koch Disruptive Technologies and Temasek’s Xora Innovation fund. The tranche, which ...