Imagine looking up at the night sky and learning that a black hole is racing toward Earth at nearly the speed of light. Not a ...

Subscribe to our newsletter for the latest sci-tech news updates. For decades, planetary scientists have believed that the early solar system was enriched with short-lived radioactive elements —such ...

Earth is the planet we have the best opportunity to understand in detail—helping us see how other rocky planets behave, even those orbiting distant stars. As a result, scientists are increasingly ...