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Neither the Moon nor the Earth-the oldest rocks studied are now on Mars and hide solar system secrets

Until recently, we could only study geology by looking at rocks on Earth and the Moon —well, and the rare meteor or two that ...

The core of Mars looks like Earth’s. What makes the planets so different?

Mars is known for its barren desert landscape and dry climate. But two recent studies in the journals Nature and Science go ...

Minerals Hint At Possible Life On Mars

Research led by NASA suggests a habitable past on Mars based on the discovery of minerals in Martian rocks associated with ...
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Mars Seems to Have a Hot, Solid Core and That’s Surprisingly Earth-Like

For four years, a lone robot sat on the dusty plains of Mars, listening. The InSight lander, a three-legged marvel of ...

Scientists detected a potential biosignature on Mars – an astrobiologist explains what these traces of life are, and how researchers figure out their source

A biosignature is any characteristic, element, molecule, substance or feature that serves as evidence for past or present ...