More than 80 nations called for a road map for the world to reduce the use of gas, oil and coal. But the final decision on ...

James Comey’s lawyers said that lapse was grounds for dismissal of the case. There was no immediate decision from the judge.

NASA spacecraft across the inner solar system captured new views of Comet 3I/ATLAS—the third known interstellar object ...

NASA is providing more images and information about the interstellar object that's passing through our solar system right now ...

There's a new celebrity in town and it's... a comet. Much of the attention has to do with an astrophysicist's grandiose suggestions that 3I/ATLAS could contain alien life. Other scientists disagree.