Curiosity selfie

Solar System

A Possible Solution to Mars’s Methane Problem

A small amount of seepage could explain conflicting measurements of methane in the Martian atmosphere.

ExoMars Trace Gas Orbiter looks for methane (art)

Solar System

The Martian Methane Mystery Continues

The most advanced instrument ever sent to Mars to study its atmosphere has failed to find any methane after months of searching.

Mars Express

Solar System

New Study Confirms Methane on Mars – But It’s Not Definitive

Independent methane detections in the Martian atmosphere by the Curiosity rover and Mars Express orbiter add confusion to a convoluted story.

Mojave drill site on Mars

Solar System

Methane and Other Organics on Mars

The Curiosity rover has detected organic molecules in ancient rocks on Mars.

methane creation possibilities on Mars

Spacecraft and Space Missions

Curiosity Finds Methane, Other Organics

NASA’s Curiosity rover has detected both methane in Mars’s atmosphere and carbon-bearing organic compounds in its rocks. But it’s unclear where these molecules come from — or whether there’s any biological connection.

Solar System

Methane Goes Missing on Mars

The Curiosity rover conducted super-sensitive tests of the Red Planet's atmosphere for methane — the most abundant hydrocarbon in the solar system — and found none. What does this finding mean for the search for Martian life?

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