The editorial board is a group of opinion journalists whose views are informed by expertise, research, debate and certain longstanding values. It is separate from the newsroom. President Trump started ...

Everyone's favorite interstellar comet, 3I/ATLAS, flew past Earth overnight, coming within about 168 million miles (270 million kilometers) of our planet. When you purchase through links on our site, ...

NASA’s Europa Clipper spacecraft has captured images of interstellar comet 3I/ATLAS as the object — perhaps the oldest ever seen by astronomers — whizzes through the inner solar system. On Nov. 6, ...

Comet 3I/ATLAS, the third interstellar object ever detected, reached its closest point to Earth overnight from Thursday to Friday (Dec. 18 to 19), and it remains in a good viewing position tonight.