Scientists Suggest That Mars Was Warm and Held Water Billions of Years Ago, Much More Like Earth in the Past Researchers have ...

The fact that the cold, dry Mars of today had flowing rivers and lakes several billion years ago has puzzled scientists for ...

"It's been such a puzzle that there was liquid water on Mars, because Mars is further from the sun, and also, the sun was ...

A pipe dream or a scam to enrich himself further? Here's why scientists are skeptical of Elon Musk's dream for humans to colonize Mars.

Mars' alternating warm and cold periods may have influenced its ability to retain liquid water, potentially impacting life.

What can sand dunes on Earth and Mars teach us about the latter’s wind behavior and atmosphere? This is what a recently ...

The car-sized Curiosity rover has spotted evidence of once quite hospitable environs on Mars.

Harvard scientists explain how Mars had warm spells billions of years ago, allowing rivers and lakes to exist.

During the fluctuations between warm and cold climates, the chemistry of Mars' atmosphere was also fluctuating. CO2 is constantly hit by sunlight and converted to CO. In warm periods, the CO could ...

NASA is working on an exciting mission to send humans to Mars in the next few decades. To make this happen, the agency is ...

During the fluctuations between warm and cold climates, the chemistry of Mars’ atmosphere was also fluctuating. CO2 is constantly hit by sunlight and converted to CO. In warm periods ...