For the first time, scientists have mapped vast, continent-scale river drainage systems on Mars — ancient networks that may ...

Many people grow up dreaming of becoming astronauts, imagining themselves soaring through space, among the stars, where adventure and mystery await at every turn. It’s a job that promises a life full ...

Dust devils on Mars form when air near the warm surface heats up and rises through cooler surrounding air, causing nearby air ...

Eight "skylights" may be entrances to underground spaces where evidence of ancient microbial organisms could be found.

The Mars Curiosity rover discovered decane, undecane, and dodecane—the largest organic molecules yet identified on Mars—within the Cumberland rock sample from Gale Crater's Yellowknife Bay, a presumed ...

NIST physicists report that clocks on Mars tick 477 microseconds faster per day due to weaker gravity and orbital effects.

Illustration of the planet Mars covered in water in the past, when its atmosphere was thicker and warmer. Now scientists may have found an unground reservoir. Is there water on Mars? Scientists using ...

Mars is the 4th planet from the Sun and the one that has most intrigued humanity over the years. It was named after the god of war because its reddish soil gives the planet a scarlet hue in the night ...

In this episode, Dave Eicher invites you to observe the nearly full Moon as it passes Mars on the evening of December 17. Both objects closely follow the Sun’s apparent path through the stars, called ...

On the evening of Jan. 13, there will be a very special kind of eclipse of the planet Mars by the Moon. This type of eclipse is called an occultation, which occurs when the Moon or other celestial ...