Astronomers compile a large sample of an unusual class of objects in an effort to connect the dots to the early universe.

Giant ground-based reflector telescopes do much of astronomy's heavy lifting, although the U.S.'s largest in Hawaii is not ...

In his latest video, published this Saturday, Aventuras Entresierras (if you haven't subscribed to this YouTube channel yet, ...

The six planets will be visible in the days immediately leading up to Jan. 21, and for about four weeks afterward. Mars, ...