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

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

One of the longest-standing mysteries about Mars has been the presence of dark and light streaks on the rolling hills surrounding Olympus Mons. This week's image, from the European Space Agency, shows ...

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 ...

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

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

But the surface water has slowly disappeared ... Our seismic data covers only a slice of Mars. New missions with seismometers are needed to map potential water layers across the rest of the planet.

Evidence is mounting that a secret lies beneath the dusty red plains of Mars, one that could redefine our view of the red ...

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.