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

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 ...

I was looking forward to writing a tribute to clear summer skies and great summer stargazing in the Pacific Northwest.

From a James City County soccer field, Van Ruckman observed a distant asteroid and its moon, a feat that electrified the ...

From a James City County soccer field, Van Ruckman observed a distant asteroid and its moon, a feat that electrified the ...

Scientists had hypothesized before the rover arrived that the peculiar ridges formed with the last trickles of water in the ...

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

See how people have imagined life on Mars through history. Scheming invaders. Benevolent vegetarians. Climate refugees. As scientific exploration has advanced, so have creative interpretations of ...

Called Mars 3, it returned roughly eight months of observations about the planet's topography, atmosphere, weather, and geology. The mission also sent a lander to the surface, but it returned data ...

Elon Musk says he hopes to have the first humans land on Mars by 2028. Open in Our App. Get the best experience and stay connected to your community with our Spectrum News app. Learn More.