NASA scientists have identified methane ice clouds towering high above Titan, Saturn's largest moon. The Cassini orbiter originally spotted the cloud eight years ago, but it was thought to be made of ethane ice, part of a seasonal cap of condensation over Titan's north pole.
"The idea that methane clouds could form this high on Titan is completely new...
Small volcanic eruptions account for part of the global warming slowdown since 2000, a new study suggests.
Until now, the climate impacts of small volcanic blasts were overlooked because their planet-cooling particles cluster below the reach of satellites, scientists reported Oct. 31 in the journal Geophysical Research Letters. It turns out, satellites were missing about 30 percent of these particles, called aerosols, the study found.