The planet Mars may once have enjoyed a much milder climate, accompanied by regular and abundant rain. This long-debated hypothesis finds new support thanks to recent observations by ...

NASA has plans to send astronauts to Mars surprisingly soon, but their exact timeline is still rather vague for a number of ...

A newly identified planet candidate, HD 137010 b, looks strikingly Earth-like in size and orbit — but it may be colder than Mars due to its dimmer star. If it has a thick enough atmosphere, though, ...

Scientists confirm that clocks on Mars run faster than on Earth and will change global space navigation in the future ...

The current image of Mars as an arid and hostile desert contrasts sharply with the history revealed by its surface. Channels, ...

A northern summer dust storm on Mars boosted high-altitude water escape, suggesting short-lived events may play a bigger role ...

Advances in technology have reopened the debate over terraforming Mars, shifting it from an impossible dream to a long-term scientific and ethical question.

What appears to be a single volcanic eruption is often the result of complex processes operating deep beneath the surface, ...