The Linac Coherent Light Source in California has been firing record-breaking X-ray pulses for years, but now it’s due for a ...

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 ...

For more than a century, popular culture has trained us to picture extraterrestrials as bug-eyed, bipedal “little green men” ...

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 ...

Is there an Outer SpaceX? With 3I/ATLAS set to fly by Earth in just over a week, experts continue to speculate over its origins. Harvard Scientist Avi Loeb believes that if aliens, the comet wouldn’t ...