A NASA satellite has spotted frozen "kidney beans" on Mars' sand dunes trapped in place until springtime. Photographing them ...

NASA was formed in 1958 "to provide for research into problems of flight within and outside the Earth's atmosphere, and for ...

The Martian dichotomy came to light in the 1970s following the Viking Probe's transmission of remarkably detailed Martian ...

a lunar occultation of Mars in Charlotte ... ROBAYO / AFP) (Photo by LUIS ROBAYO/AFP via Getty Images) Despite the spectacular view from Earth, it was all an illusion, a line-of-sight phenomenon ...

NASA's remarkable new sample from Mars will help scientists get a better understanding of the planet's history and whether it ...

Planetary alignments aren't rare, but they can be when they involve six of the eight planets in our solar system.

Mars will make its closest approach to Earth this weekend while rising to its highest point in the night sky. On Sunday (Jan. 12), the Red Planet will make its close approach of Earth at 8:32 a.m ...

Harvard scientists explain how Mars had warm spells billions of years ago, allowing rivers and lakes to exist.