Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, ...

Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through ...

The Quadrantids will be harder to see than usual due to the bright full moon. Here's how to get the best views.

Two brothers, both mechanical engineers, are climbing many of the world’s tall peaks to prove they have been measured ...