Valles Marineris in imagery captured the Mars Reconnaissance Orbiter. Global topography: NASA/GSFC CTX global mosaic: ...

Dozens of NASA's missions to explore the cosmos could be in jeopardy under a budget proposal from the Trump administration.

The Mars Reconnaissance Orbiter (MRO), launched by NASA in 2005, is orbiting Mars tasked with studying its atmosphere, ...

In the distance, a twisting plume of red dust - what scientists call a dust devil - spiraled across the landscape near the ...

A NASA spacecraft orbiting Mars may have found a big clue about the history of the red planet. The Mars Atmosphere Volatile ...

shows the patterns inside a Mars crater. | Credit: NASA/JPL-Caltech/UArizona High-resolution satellite images have revealed dripping paint-like patterns on Mars that match those found on Earth ...

A new study posits that dark streaks originally believed to be signs of water on Mars' surface might not be that at all.

The findings could help answer a longstanding question about how Mars transformed from a potentially habitable world with ...

Strange, dark streaks on Martian slopes that once hinted at flowing water are now believed to be dry dust slides, revealed ...

“Landing on Mars is really all about finding a ... footage will take longer to transmit and process, so NASA should release high-resolution footage of the entire landing sequence in the coming ...

Scientists have been arguing about the origin of strange streaks on Mars since the earliest missions to the Red Planet.