Related topics: climate change

Hurricane histories and carbon mysteries

A group of nine PhD students from the Department of Earth and Environmental Sciences at Columbia University has just arrived in Exuma, The Bahamas, for a week-long field trip.

Life's history in iron

A new study examines how Earth's oldest iron formations could have been formed before oxygenic photosynthesis played a role in oxidizing iron.

How good is the fossil record?

Methods have been developed to try to identify and correct for bias in the fossil record but new research from the Universities of Bristol and Bath, suggests many of these correction methods may actually be misleading.

An ancient 'Great Leap Forward' for life in the open ocean

It has long been believed that the appearance of complex multicellular life towards the end of the Precambrian (the geologic interval lasting up until 541 million years ago) was facilitated by an increase in oxygen, as revealed ...

How did the Late Heavy Bombardment affect Earth's crust?

Astrobiologists supported by the NASA Astrobiology Institute have assessed the effects of impacts on the crust of the early Earth. The research could help determine whether or not evidence of such violent events in our planet's ...

How did early Earth protect itself against the cold?

Earth's Sun was a weakling when it was younger. Around three or four billion years ago, the star's energy was about 20 percent to 25 percent lower than what's experienced today. If that was still true today, one would expect ...

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