While Mars today only has a wispy remnant of an atmosphere, it may once have had one hundreds of times thicker with a ...

"The fact that we captured the aurora again demonstrates that our method for predicting aurorae on Mars and capturing them works." ...

On the Red Planet, aurorae glow green because the charged particles collide with oxygen atoms high above Mars. They may be ...

Impact history should be considered a key factor in the search for habitable Earth-like exoplanets. Southwest Research ...

Minerals in the rock might have been produced by microbes in chemical reactions, but researchers say they’ll need to examine the sample more closely to know for sure ...

The cosmos has always been a source of mystery and fascination, with its vastness filled with uncharted entities and ...

A spaceship gently lands on the surface of Mars. This once arid and lifeless red planet is now lush and vibrant. As a city comes into view, passengers see people strolling along bustling streets, ...

The greatest challenge facing astrobiologists is that there is only one planet known to us that has life. Of all the bodies ...

NASA engineers testing a model of the Spirit rover at NASA's Jet Propulsion Laboratory. NASA/JPL In the spring of 2019, the six-wheeled Spirit rover was driving backwards to drag an inoperable front ...

Solar storms are dangerous for future Mars astronauts. Predicting aurora helps warn about incoming radiation bursts.

Because it (unlike Earth and Mars) hasn't suffered any giant impacts, the authors think its mantle will reflect its ancient origin. And future missions could collect such mantle samples, Huang said.

Despite seeming like Earth's twin, Venus is a strange and mysterious place. Scientists haven't known what made it so odd, but that might have just changed.