A new study reveals Mars’s missing water may have slowly seeped underground, becoming trapped in ancient aquifers beneath the surface.

Before you get in the water this summer, take a peek at the many ocean mysteries lurking below Dive deep into ocean mysteries ...

It was big news years ago when Mars orbiters found streaks of what appeared to be water running down Martian cliffs and ...

A sweeping machine learning study scanning over 86,000 high-res Mars images reveals that the mysterious streaks seen on Martian slopes are likely dry dust slides, not evidence of flowing water as ...

Billions of years ago, water flowed on the surface of Mars. But scientists have an incomplete picture of how the red planet's ...

Planetary scientists concluded that dark streaks spotted on the surface of Mars didn't have anything to do with flowing water ...

By studying the rock and other materials blasted out of a crater in an impact, planetary scientists say they were able to ...

Knowledge of the oceans is more than a matter of curiosity. Our very survival may hinge upon it,” John F. Kennedy, Jr., wrote ...

NASA's Europa Clipper, en route to Jupiter’s moon Europa, captured infrared images of Mars during a gravity-assist flyby to ...

Europa Clipper tested its infrared camera during a Mars flyby, preparing for its 2030 mission to Jupiter’s moon Europa.

NASA's Europa Clipper spacecraft, en route to Jupiter's icy ocean moon Europa, recently captured a ghostly infrared portrait ...