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

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

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

A rocky, Earth-size planet located in our Milky Way galaxy may have an atmosphere around it, according to new research, ...

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

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

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

All evidence points to Mars having had a carbon dioxide-rich atmosphere billions of years ago, but insufficient carbonates in Martian soil challenge this theory. Now, a new study using data from ...

While the early climate of Mars remains an open question, a new study suggests that its atmosphere may have been hospitable ...

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

It's not entirely clear how neighboring planet Mars went from a presumably life-supporting planet to a place as dead as all others in the solar system. We do know, however, that whatever water and ...

ST. LOUIS – From monstrous tsunamis to building-shattering earthquakes to flood-inducing downpours, mother nature is a force to be reckoned with. We’re all tired of this extreme weather here on Earth ...