Study ties groundwater to human evolution

Our ancient ancestors' ability to move around and find new sources of groundwater during extremely dry periods in Africa millions of years ago may have been key to their survival and the evolution of the human species, a ...

Ancient crater points to massive meteorite strike

The discovery of an ancient ring-like structure in southern Alberta suggests the area was struck by a meteorite large enough to leave an eight-kilometre-wide crater, producing an explosion strong enough to destroy present-day ...

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 ...

Meteorite minerals hint at earth extinctions, climate change

A huge asteroid that wiped out the dinosaurs may not have been the only cosmic event to cause mass extinctions or change Earth's climate. Tiny minerals leftover from many smaller meteorites could provide the geological evidence ...

Fossils indicate common ancestor for two primate groups

(Phys.org) —Palaeontologists working in Tanzania have discovered the oldest known fossils from two major primate groups—Old World monkeys, which include baboons and macaques, and apes, which include humans and chimpanzees. ...

The brief but violent life of monogenetic volcanoes

A new study in the journal Geology is shedding light on the brief but violent lives of maar-diatreme volcanoes, which erupt when magma and water meet in an explosive marriage below the surface of the earth.

Global extinction: Gradual doom is just as bad as abrupt

A painstakingly detailed investigation shows that mass extinctions need not be sudden events. The deadliest mass extinction of all took a long time to kill 90 percent of Earth's marine life, and it killed in stages, according ...

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