Mars' atmosphere is often viewed as frigid and unchanging, but in studies of the red planet's aeolian processes, nothing could be further from the truth -- particularly where Martian dust devils are concerned. Continue reading →
This summer ESA's Venus Express spacecraft daringly dipped into the upper atmosphere of our neighboring planet during a risky but successful aerobraking maneuver. Continue reading →
When Comet Siding Spring made its historic close approach with Mars last month, the icy interloper showered the Martian upper atmosphere with meteors -- and several robots were on hand to monitor the shower's effects. Continue reading →
It's as if Titan is getting festive for Hallowe'en -- astronomers have detected a ghostly glow around the the north and south poles of the Saturnian moon that had previously gone undetected. Continue reading →
If you step outside before dawn during the next week or so, you might be able to see bright meteors streaking through the sky.
Early results from NASA’s recently arrived MAVEN Mars spacecraft show an extensive, tenuous cloud of hydrogen surrounding the red planet, the result of water breaking down in the atmosphere.
New research suggests a plasma bubble in the high atmosphere blocked radio communications during a 2002 firefight in Afghanistan, which lead to a deadly US helicopter ambush.
If you were in any doubt about the similarities between Earth and Titan, this animation of several observations snapped by NASA's Cassini Saturn orbiter should convince you otherwise. Continue reading →
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