As NASA astronauts aim for landings in 2027, geologists find surprises in recently retrieved samples from the far ...

Data collected by NASA's InSight lander suggest that ancient internal processes are responsible for the "Martian dichotomy" ...

The southern highlands are heavily pockmarked by craters and stand as much as 5 miles (8 kilometers) higher on average than the smooth, rolling plains of the lowlands above them. But researchers ...

“This means it’s difficult to explain why the southern highlands of Mars have a very thick and ancient crust, while the northern lowlands are very young and thin.” “Some models have suggested that ...

This would mean the catastrophic impact of either a single moon-sized body or ... upwelling beneath the southern highlands and downwelling beneath the northern lowlands. Our marsquake evidence ...

Craters on the southern highlands indicate they are older than the northern lowlands, suggesting a significant ... resulted from a massive impact by a moon-sized body or multiple smaller ones ...

The southern highlands are heavily pockmarked by craters and stand as much as 5 miles (8 kilometers) higher on average than the smooth, rolling plains of the lowlands above them. But researchers have ...