We’ve found lots of “habitable” worlds but we don’t know what factors are needed for life.
What is the graviton, and does it even exist?
Tiny mammals and a group of lizard-like reptiles shared a trait that helped them survive extinction.
Where the space rock came from 66 million years ago that crashed and killed the dinosaurs.
Antimatter drives sound like science fiction, but they may not be as far as you think.
Amid Trump’s immigration crackdown, a Venezuelan family struggles to keep its legal status.