Tag Archives: habitability

MAVEN sheds light on habitability of distant planets

How long might a rocky, Mars-like planet be habitable if it were orbiting a red dwarf star? It’s a complex question but one that NASA’s Mars Atmosphere and Volatile Evolution mission can help answer. “The MAVEN mission tells us that … Continue reading

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Zinc and germanium levels at Gale Crater boost evidence for habitable environment

New data gathered by the Mars Curiosity rover indicates a potential history of hydrothermal activity at Gale Crater on the red planet, broadening the variety of habitable conditions once present there, scientists report in a new study. Researchers found concentrations … Continue reading

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Payload chosen for ExoMars 2018 lander & rover

Two European instruments and four European contributions on two Russian instruments have been selected for the Russian-led science platform that will land on Mars as part of the ESA–Roscosmos ExoMars 2018 mission. The first of the two ExoMars mission is … Continue reading

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Hematite ridge: site for Curiosity rover to explore ancient habitability?

A low ridge running along the foot of Mt. Sharp will likely become a prime target for Curiosity, the Mars Science Laboratory rover as it approaches the mound. The reason, outlined in a recent paper in Geology by Abigail Fraeman … Continue reading

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Was nitrogen in the early Mars atmosphere a key to ancient habitability?

Scientists have long suspected that ancient Mars had a thicker atmosphere and temperatures warmer and far more habitable than at present. But modelers have difficulties making the numbers come out right,

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