Mercury, the closest planet to the Sun, is a world of extremes and unanswered questions. Though it resembles the Moon with its cratered surface, Mercury is far from ordinary. It’s the smallest planet ...

Three different meteor showers are happening at the same time this month, giving skywatchers plenty of chances to spend their summer nights looking for shooting stars ...

The Perseid meteor shower is almost here, offering skywatchers a view of what is considered the best meteor shower of the ...

The punishing radiation appears to be causing the planet to shed its atmosphere at a rate of at least 1 trillion grams per second, according to a new study involving NASA 's Chandra X-ray Observatory.

Naturally, the product release cycle keeps on keepin’ on, though actually keeping track of every new gadget and hi-fi release is a tall order for even the most dedicated enthusiast. Catch up below and ...

Mars is low in the west on the left side of Leo in the early evening. The planet drops down too low to see a bit after 10 p.m ...