Mars’ polar ice cap is slowly pushing its north pole inward
The orbiters that carried the radar hardware, along with one or two others, have been…
Did the snowball Earth give complex life a boost?
Life is complex But when new minerals made their way to the water, what did…
Edge of Mars’ great dichotomy eroded back by hundreds of kilometers
A shoreline transformed? The huge area covered by these mounds gives a sense of just…
Posted ingeology geophysics geysers
One less thing to worry about in 2025: Yellowstone probably won’t go boom
Underneath Yellowstone: Two large lobs of hot material from the mantle (in yellow) melt rock…