By SDTodayEuropa’s buried ocean has made it one of the most exciting places to search for life beyond Earth. However, new calculations suggest its seafloor may be calm, cold, and largely inactive, with little energy to support living organisms. Unlike Jupiter’s volcanic moon Io, Europa experiences weaker tidal forces that fail to drive underwater geology. The ocean may exist, but it could be a very quiet place.
Expedition member Chris Blakeley in the entrance to the world’s northernmost known cave, found on the Wulff Land…
BySDTodayThe Chicxulub asteroid brought the age of the dinosaurs to an end ROGER HARRIS/SCIENCE PHOTO LIBRARY The asteroid…
BySDTodayThe ice floe cracks up around the Endurance Royal Geographical Society After the British ship Endurance (pictured above)…
BySDTodayEarth was once covered by a global magma ocean, which later cooled and crystallised – now traces of…
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