Researchers have found new evidence for a massive subsurface ocean on Mars, again raising the possibility of microbial life.

"Mars is still the Red Planet. It’s just that our understanding of why Mars is red has been transformed." Mars is widely known for its iconic rusty red color — many people even refer to it as ...

Frigid water helped paint Mars red and may have shaped a vast coastline, two new studies into the planet’s history reveal. Scientists have detected a possible ancient beach in Mars’ northern ...

The planet was once more hospitable ... to complement further studies that can lead to subsurface water maps of Mars.

Go back a mere four billion years, and Mars could have been the perfect destination for a summer holiday. According to scientists, hidden underneath the red planet is evidence that there were once ...

Mars may have once been home to sun-soaked, sandy beaches with gentle, lapping waves according to a new study. Mars may have once been home to sun-soaked, sandy beaches with gentle, lapping waves ...