Below the red section is purplish-brown terrain, which has a high concentration of silicates and a low concentration of iron, ...

Mineral deposits like these are common sights across Mars and result from ancient water mixing with ancient rock. Still, it's rare to see a deposit that's so perfectly flower-like, NASA ...

The new images by the Curiosity rover on Mars show "dramatic evidence" of ancient groundwater in crisscrossing low ridges, ...

"When we think about what Mars looked like 3.5 billion years ago, we probably should be thinking about an environment that in some ways looks a lot like Earth," said University of Texas Associate ...

More than 3 billion years ago, Mars was warm, wet, and had an atmosphere that could have supported life. This artist's rendering shows what the planet may have looked like with global oceans based ...

Researchers say the vast, lifeless landscape of Mars was possibly once a vibrant waterfront. National Astronomical Observatories “We’re finding places on Mars that used to look like ancient ...

If you looked at the churning clouds near Jupiter’s pole, they appear like ocean currents on Earth — as if you’re looking at ...

In total, the researchers concluded that Mars lost between 380 to 1,970 meters (1,247 to 6,463 feet of water), if all this water lay uniformly over the surface like a giant ocean, a measurement ...

Using computer simulations, Steckel and her team dove into what Mars might have looked like about 4 billion years ago during the Noachian epoch, a time when water may have dramatically shaped the ...

Your blood is also red because of a mixture of iron and oxygen in a molecule called hemoglobin. So in a way, the ancient ...

New computer models suggested that the Mars Reconnaissance Orbiter (MRO) could get better radar data if it rolled farther ...

Mineral deposits like these are common sights across Mars and result from ancient water mixing with ancient rock. Still, it's rare to see a deposit that's so perfectly flower-like, NASA ...