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

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 hunt for intelligent life beyond Earth has quietly entered a more exacting phase, and one small, cool star has become a ...

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 ...

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 ...

NASA just unveiled a set of findings that scientists say sharpen the case for how life’s ingredients form and spread through the cosmos. Together, researchers say, these discoveries make the ...