If and when SETI discovers alien life, a revised Declaration of Principles guarantees once the discovery has been verified, ...

The mysterious space rock that journeyed through our solar system became notably brighter as it departed, scientists have revealed. Researchers observed that Comet 3I/ATLAS, which one Harvard ...

Scientists are looking into the possibility that 'alien spaceship' 3I/ATLAS could have come from within our own solar system. This would challenge the belief that the comet was an "interstellar object ...

The interstellar comet 3I/ATLAS was the third object ever discovered in our solar system that originated from another star system. Despite a viral conspiracy theory, NASA officials have repeatedly ...

Lazar compares the technology he worked on with taking a small working nuclear reactor and dropping it off in Victorian times. This voice experience is generated by AI. Learn more. This voice ...

This article was featured in the One Story to Read Today newsletter. Sign up for it here. When President Trump promised, in a social-media post in February, “to begin the process of identifying and ...

We frequently question whether we are alone in the universe. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This article was originally ...