Slope streaks once believed to be signs of water on Mars might really be signs of rockfall and high winds, a new study says.

Astronomers have filled a large gap in knowledge about Mars' water cycle. Their research on water percolating from surface to aquifer could change the picture of what early Mars was like, suggesting ...

NASA's Perseverance Mars rover is exploring a new region of interest the team is calling "Krokodillen" that may contain some ...