News tagged with environmental conditions

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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

What really happened prior to 'Snowball Earth'?

In a study published in the journal Geology, scientists at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science suggest that the large changes in the carbon isotopic composition of car ...

Jan 27, 2012
4.2 / 5 (9) 18 | with audio podcast

The long shot of life elsewhere

Recent research suggests that there may be as many as 40 billion habitable planets in our galaxy. A number that large has some scientists speculating that the universe might be teeming with life.

Nov 25, 2013
4.1 / 5 (9) 10