Scientists are cautiously optimistic after the James Webb Space Telescope found evidence of a life-related molecule in the ...

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 ...

A NASA Curiosity rover image of Mars shows a mysterious jellyfish-like figure with a body and two legs in Gale Crater, absent ...

The search for extraterrestrial life has evolved from philosophy to a serious scientific and national security concern ...

NASA chief scientist Ellen Stofan was speaking at an annual conference in the capital on Tuesday about the search for habitable worlds and alien life. Stofan predicted that the discovery could be only ...

For the first time we have the technology that will allow us to look for life in our solar system and beyond. But with more than 20 planets and large moons around the sun and 200 billion stars in the ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of biology because they are often produced by living microbes. However, ...

We're still in the definition phase of the Habitable Worlds Observatory (HWO), but it seems like every week a new research group comes out with a paper helping to shape what is becoming one of the ...

English science fiction writer Arthur C. Clarke once said, “Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying.” It’s a line that has motivated ...

The most distant known object in our solar system was found, Jupiter showed off its artistic side, and a sad accident for a 27,000-year-old giant ground sloth turned into a win for science. A rover ...

English science fiction writer Arthur C. Clarke once said, "Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying." It's a line that has motivated ...