The reign of the dinosaurs ended in spring

The asteroid that killed nearly all dinosaurs struck Earth during springtime. An international team of scientists from the Vrije Universiteit (VU) Amsterdam (The Netherlands), Uppsala University (Sweden), Vrije Universiteit ...

Ancient horse poo sheds light on Hannibal's march

The route taken by Hannibal over the Alps to invade Italy has been a matter of debate for 2,000 years, but scientists may now have the answer—thanks to some ancient horse poo.

Combining techniques provides new insight into bird migration

Two complementary methods work together in a study forthcoming in The Auk: Ornithological Advances, producing more refined estimates of where individual Barn Swallows spend the winter. Using the methods separately comes with ...

Three billion-year-old microfossils include plankton

Spindle-shaped inclusions in 3 billion-year-old rocks are microfossils of plankton that probably inhabited the oceans around the globe during that time, according to an international team of researchers.

Greenland's viking settlers gorged on seals

Greenland's viking settlers, the Norse, disappeared suddenly and mysteriously from Greenland about 500 years ago. Natural disasters, climate change and the inability to adapt have all been proposed as theories to explain ...

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