But a mysterious feature made astronomers consider a parallel with the Dune planet, gullies carved in Martian sands looked dug by giant sandworms. Is Shai-Hulud behind the Martian mystery? Of course, ...

A naming contest, a massive Martian scar, and a close call with planetary fame. Here's how I nearly etched my name into Mars.

NASA’s discovery of potential evidence of ancient life on Mars means “our galaxy could be teeming with life,” says a ...

A new study reveals that the largest lunar crater, South Pole-Aitken basin, was formed by an oblique impact that shaped the ...

Ancient explosive volcanic eruptions on Mars could help explain mysterious hints of buried ice from the Red Planet's equator, ...

Mars wasn’t always the bone-dry world we see today. A new study reveals the Red Planet experienced a series of ice ages, much like Earth, but with a twist. Instead of regaining water with each cycle, ...

For decades, scientists have been curious about how much water Mars once had and what led to its gradual transformation into the dry planet we see today. A new study published online on September 2, ...

Changes in Mars’ axial tilt (obliquity) drive shifts between polar ice caps at low obliquity and widespread mid-latitude glaciation at high obliquity. These cycles result in ice accumulating inside ...

The comet is only the third interstellar object recorded in the solar system. Astronomers just caught a rare glimpse of an interstellar comet as it zoomed past Mars. Images of the object, dubbed ...

A rare interstellar comet — only the third ever confirmed to enter our solar system — was photographed last week, closely approaching Mars, the European Space Agency said Tuesday. The images taken on ...

Because the spacecraft are equipped with cameras that aren't designed to observe an object so far away, the images they captured were fuzzy. Still, scientists were able to get a little bit of a look ...

The South Pole-Aitken impact basin on the far side of the Moon formed in a southward impact (toward the bottom in the image). The basin has a radioactive “KREEP-rich” ejecta blanket on one side of the ...