A giant impact on the early Earth could have brought the building blocks of RNA to our planet, which new research suggests ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

Machine learning is quietly rewriting the rules of the cosmic hunt for company. Instead of waiting to recognize familiar ...

Following speculation that comets could have been alien spacecrafts, more and more experts in the field are convinced that ...

For fans of 1987's "Predator" and its subsequent sequels, these 15 action-packed, suspense-driven monster romps will ...

Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, ...

Far below the ocean’s surface, where sunlight disappears and pressure reaches crushing levels, some of the planet’s strangest ...

The key idea behind our framework is that life produces molecules with purpose, while nonliving chemistry does not. Cells ...

Pre-discovery archives have only added to the confusion. It turns out 3I/ATLAS may have been active even further out, beyond ...

The Oscar winner discusses playing a ruthless CEO (and maybe alien) in 'Bugonia,' her upcoming Miss Piggy movie, and the ...

As we look back over the past 20 years, certain villains stand out for their ability to linger in our minds long after the ...

The genre of science fiction has a lot to say about sleep. Here are 11 great stories, from TV, film and books.