The discovery provides strong evidence that worlds with conditions similar to our own, with the potential to support life, ...

The search for alien life has captured the popular imagination for decades. Are they friendly… intelligent… green? The average person may conceive of alien life as anything from the large-brained ...

Scientists found "alien" water signature in horsetail plants. Discovery may reshape understanding of water and ancient climate. Horsetail's water mimics chemistry seen in meteorites. In a discovery ...

Add Yahoo as a preferred source to see more of our stories on Google. Tardigrades—a type of invertebrate also known as water bears—are the only animals observed to survive the intense radiation and ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life. Tardigrades—a type of invertebrate ...

With the release of "Disclosure Day," Steven Spielberg's new film about aliens, a question as old as science fiction itself resurfaces: If aliens were to arrive on Earth, would they come to conquer us ...