News tagged with geology

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New evidence for ancient ocean on Mars

Did a vast ocean once cover Mars' northern plains? The idea has been hotly debated among scientists for the past 20 years, ever since Viking Orbiter images revealed possible ancient shorelines near the pole. ...

Feb 17, 2014
4.7 / 5 (19) 0

What the past tells us about modern sea-level rise

Researchers from the University of Southampton and the Australian National University report that sea-level rise since the industrial revolution has been fast by natural standards and – at current rates – may reach 80cm ...

Dec 12, 2013
3.9 / 5 (7) 0 | with audio podcast

Late Cretaceous Period was likely ice-free

For years, scientists have thought that a continental ice sheet formed during the Late Cretaceous Period more than 90 million years ago when the climate was much warmer than it is today. Now, a University ...

Sep 24, 2013
4.3 / 5 (18) 3 | with audio podcast