Another eclipse should be visible before the end of March. Here's when astronomers say this event will be best seen.

Amid dizzying changes caused by a warming climate and global attention, Greenlanders don’t want to have to choose between ...

A green energy plant expected to be built in Chile could increase night-time sky brightness at one of the world's most ...

The aurora borealis has jumped to the top of many travelers' wish lists, creating a tourism boom in the northernmost reaches ...