A groundbreaking study published in Nature Communications has cast new doubt on the idea that the dark streaks observed on ...

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

F irst identified in the 1970s by NASA's Viking mission, long, dark markings snake down Martian slopes, sometimes stretching ...

Hope for flowing water on modern-day Mars appears dashed after recent work examined mysterious markings on the red planet's ...

A LOST Martian ocean may be hiding beneath the red planet’s surface. Today Mars is a cold and dry desert – but it may have ...

A new study offers key insights into Mars' water cycle, but the findings are based on seismic data from just one region, ...

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

A new study by planetary scientists at Brown University and the University of Bern in Switzerland casts doubt on ...

Orbital missions and rovers have spotted widespread evidence of these chemical reactions on Mars' surface, indicating ... researchers created a detailed map of the underground structures.