Scientists may have identified a molecule that played a key role in robbing Venus of its water ... the culprit that caused Mars, Earth's other neighbor, to lose its water. The researchers say ...

Mars also used to have water, though less than Venus, and also lost most of it to space. To understand martian hydrogen escape, I developed a computational model of the Mars atmosphere that ...

reinforcing theories of long-term water presence. Experts highlight that these formations are not... A rare celestial event featuring seven planets—Mercury, Venus, Mars, Jupiter, Saturn ...

Volcanic features have been observed on our fellow rocky planets, Venus and Mars, but they largely appear to be inactive ... but they spew material like water, ammonia, and methane instead of molten ...

The longest molecules ever found on Mars have been unearthed by NASA's Curiosity ... linked together were detected in a 3.7 billion-year-old rock sample collected from a dried-up Martian lakebed ...