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.
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.
Are there really microplastics in chewing gum? George tries to find out.