‘Star Wars’ predicted it: Planet discovered that orbits two suns like Luke Skywalker’s home Tatooine

Dubbed HD 143811 AB b, the interstellar entity is a gas giant that’s located some 446 light-years away from Earth in a galaxy ...

The Geminids are one of the best meteor showers of the year—and the weirdest. Here’s how to see them

This December's dazzling display comes from a strange asteroid with comet-like behavior—and a tail of debris that astronomers ...