With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

Mars ended NASA’s InSight mission on its own terms, not with a dramatic crash or a catastrophic malfunction, but with a slow, ...

Harvard's Avi Loeb warns interstellar comet 3I/ATLAS could be alien tech. Experts weigh in on planetary defence and the risks ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

But now, they're planning to build telescopes on the far side of the Moon. These instruments will probe one of the last unexplored windows on the Universe. Here, astronomers hope to get a glimpse of ...

“All in all, the undisputed factual record indicates that the United States and El Salvador have behaved as principal and ...

The sudden silence of a veteran Mars spacecraft has turned a routine comet flyby into one of the most intriguing space ...

3I/ATLAS came within 168 million miles of Earth around midnight CST Friday. While that might seem pretty far away, the ...

In the summer of 1977, while most people were listening to disco and trying to figure out Star Wars, NASA launched two small spacecraft called Voyager 1 and Voyager 2. They were simple-looking robots ...

An astrophotograph of the interstellar comet known as 3I/ATLAS highlights its green coma and a wandering blue-tinted ion tail. (Copyright Victor Sabet and Julien De ...

After the prolonged shutdown of the US government, NASA has finally started its nonessential work back up. It's starting off with a bang: The agency called a press conference to show its hitherto ...