Learn about planet Mars’ atmosphere, water supply and the possibility to support life, plus findings from the various Mars rover missions.

Reference Lunar eclipses occur when Earth's shadow blocks the sun. There are three types; the most dramatic is a total lunar eclipse. Find out when the next one will be.

See farther into the cosmos with the best binoculars deals currently available, including Celestron, Opticron and more.

REFERENCE Winter Solstice has long marked a time of rebirth, behind it are fascinating astronomical events.

Reference Space shuttle Columbia was the first shuttle in space and performed 28 flights. Columbia's final flight ended in disaster as it broke apart during re-entry.