On November 13, 2020, a pair of European Space Agency spacecraft—Mars Express and the ExoMars Trace Gas Orbiter—set out to gain a deeper understanding of the Martian ionosphere. Utilizing an advanced ...

NASA images reveal shallow ice beneath Mars’s surface, offering a promising water source for future astronauts and clues to ...

Like Earth, Mars is surrounded by an ionosphere—the part of its upper atmosphere where radiation from the sun knocks ...

A Martian volcano, Arsia Mons, rises above the clouds in a stunning newly-released panoramic image captured by the Mars Odyssey Orbiter, revealing a peak higher than any terrestrial volcano.. Arsia ...

How solar wind may have eroded the atmosphere of Mars. A team of scientists analyzed more than nine years of data collected by NASA's Maven probe.

When June’s full moon rises Tuesday night, it will be at its lowest spot in a 37-year span, and it won't drop this low again ...

One of Mars' tallest volcanoes peeps over a thick layer of clouds, in Odyssey’s first picture of Arsia Mons peering over the Red Planet's horizon.

Researchers reckon they’ve solved one of the mysteries of Mars. There’s long been conspiracy theories about the dark markings found the planet’s surface, with scientists having their own ...

Dark streaks on Mars that have puzzled scientists since their discovery in the 1970s are not evidence of water as many researchers believed, but are instead caused by wind and dust activity, according ...

NASA’s Mars Odyssey spacecraft passes above Mars’ south pole in this artist’s concept illustration. The spacecraft has been orbiting Mars since October 24, 2001. Credit: NASA/JPL-Caltech Volcanic ...

For that much water to exist, Mars would have needed a thicker atmosphere — one that could hold in heat and pressure. But today, Mars is cold, dry, and barely has any air. For the first time, NASA's ...