Polaris, which lies roughly 430 light-years from Earth, marks the end of the Little Dipper’s handle. Alternatively, it’s the ...

Mizar, a star in the Big Dipper's handle, has a tiny companion. This star, Alcor, was known to the ancients. The pair was ...

Astronomers have spotted a cosmic mismatch that has left them perplexed - a really big planet orbiting a really small star.

The super middleweight division was active this weekend with a stunning upset, a thrilling encounter and the debut of a former champion in the weight class. All of that resulted in a lot of ...

This star, in the constellation Leo, is the smallest known to host such a giant planet, which is similar in size to Saturn. The discovery raises questions about planet formation in small star systems.