New models suggest Titan lakes are explosion craters

Using radar data from NASA's Cassini spacecraft, recently published research presents a new scenario to explain why some methane-filled lakes on Saturn's moon Titan are surrounded by steep rims that reach hundreds of feet ...

Video: The latest look at 'first light' from Chandra

NASA's Chandra X-ray Observatory has captured many spectacular images of cosmic phenomena over its two decades of operations, but perhaps its most iconic is the supernova remnant Cassiopeia A.

Europe warming faster than expected due to climate change

Climate change is increasing the number of days of extreme heat and decreasing the number of days of extreme cold in Europe, posing a risk for residents in the coming decades, according to a new study.

What the cranium of oldest human ancestor would have looked like

Despite having lived about 300,000 years ago, the oldest ancestor of all members of Homo sapiens had a surprisingly modern skull, as suggested by a model created by CNRS researcher Aurélien Mounier of the Histoire Naturelle ...

Early start of 20th century arctic sea ice decline

Boulder, Colo., USA: Arctic sea-ice has decreased rapidly during the last decades in concert with substantial global surface warming. Both have happened much faster than predicted by climate models, and observed Arctic warming ...

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