Something old, something new in the ocean's blue

Charles Darwin suspected something in the "clear blue water" of the ocean that was even smaller than the protozoa he could see under the microscope. "Today we know that every liter of ocean water is swarming with hundreds ...

Mystery solved: Ocean acidity in the last mass extinction

A new study led by Yale University confirms a long-held theory about the last great mass extinction event in history and how it affected Earth's oceans. The findings may also answer questions about how marine life eventually ...

New organic compounds found in Enceladus ice grains

New kinds of organic compounds, the ingredients of amino acids, have been detected in the plumes bursting from Saturn's moon Enceladus. The findings are the result of the ongoing deep dive into data from NASA's Cassini mission.

New insights into the origin of life

A famous experiment in 1953 showed that amino acids, the building blocks of proteins, could have formed spontaneously under the atmospheric conditions of early Earth. However, just because molecules could form doesn't mean ...

Coral skeleton crystals record ocean acidification

The acidification of the oceans is recorded in the crystals of coral skeletons. This is a new tool for studying past environmental changes and combating climate change. Such is the main conclusion of a study led by the Spanish ...

More 'reactive' land surfaces cooled the Earth down

There have been long periods of cooling in Earth's history. Temperatures had already fallen for more than 10 million years before the last ice age began about 2.5 million years ago. At that time, the northern hemisphere was ...

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