Add Yahoo as a preferred source to see more of our stories on Google. The fossilized tail bones of an Ichthyosaurus, around 190 million years old and weighing 800 kilograms. - Markus Scholz/picture ...

Swipe Down for Full Video Story It is no secret that humans are the dominant species on Earth. And with no confirmed evidence of intelligent life elsewhere in the universe, we often assume we are also ...

When astrobiologist Adam Frank walked into the office of NASA scientist Gavin Schmidt, he had what he believed was the weirdest question: do aliens experience climate change? It took just moments for ...

The idea that an advanced civilization existed on Earth long before humans is fascinating, but scientists aren't convinced. Experts have explored this possibility by asking what traces a technological ...

We’ve likely had at least one close encounter of the 3I kind before. Harvard scientist Avi Loeb claims that not only does 3I/ATLAS potentially have alien origins, but that this wouldn’t be the first ...

Earthlings, brace yourselves: the galaxy may be emptier than your last Tinder date. According to a new study, any alien civilizations out there? Probably short-lived — and doomed to fail spectacularly ...