The findings potentially solve the paradox of how liquid water seems to have persisted on Mars even when the climate grew too ...

Mars, now a dusty world of rusted rock and thin air, once carried enough water to transform its face into something far more ...

This doesn’t mean Mars causes ice ages on its own. Orbital cycles are only part of the picture. Earth’s oceans, atmosphere, ...

New data is challenging what scientists previously knew about one of the youngest geological features on the Red Planet. That feature is Athabasca Valles, a system of valleys carved into volcanic ...

Thin, seasonal ice may have protected ancient lakes on Mars, allowing liquid water to last for decades despite cold ...

New research reveals the extent to which Mars is quietly tugging on Earth’s orbit and shaping the cycles that drive long-term ...

(CNN) — Here’s a look at the exploration of Mars. The United States, Soviet Union and China are the only three countries to land a spacecraft on Mars. There have been nine successful US Mars landings: ...