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

In the search for habitable exoplanets, atmospheric conditions play a key role in determining if a planet can sustain liquid ...

A distant exoplanet might have an atmosphere similar to Earth's, early observations from the James Webb Space Telescope (JWST ...

A rare glimpse into the wintry conditions of the Mars north polar vortex has shown that temperatures inside the vortex are ...

NASA scientists say a rock sample collected by the Perseverance rover in Jezero Crater may contain the strongest signs yet of ...

Viking consisted of two twin orbiters and landers, with experimental chambers in the landers to conduct three biology ...

Scientists can now predict Mars' green auroras - glowing signs of solar storms - which could protect future astronauts on the ...

Billions of years ago, Mars may not have been the frozen desert we see today. New simulations suggest that volcanic eruptions pumped out reactive sulfur gases, creating greenhouse effects strong ...

The question of whether there is or was life on Mars has been around for a long time, but NASA's Perseverance rover might ...

Humanity's dream of settling Mars is becoming more and more realistic thanks to huge advances in space exploration. SpaceX ...

Mars may have released sulfur gases that trapped heat, shaped the climate, and created conditions for ancient life.