Since the middle of the month, four of the five brightest planets in the night sky have been visible after sunset and will ...

Illinois stargazers have the chance to see a "planet parade" this January, with four bright planets to be visible in a single line of sight. There also are three chances to see a supermoon later this ...

We can judge the value of any scientific endeavour based on how much of our knowledge it overturns or transforms.

The European Southern Observatory's (ESO) Extremely Large Telescope (ELT) — the world's largest visible- and infrared-light ...

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