fossils

Tiny fossils time the climate shift which gave rise to Antarctica's Dry Valleys, a landscape akin to Mars.

Four tonnes of dinosaur bones and other fossils stolen from Argentina are back home after being seized in the US.

The little people of Flores, Indonesia, continue to puzzle scientists and provoke debate. The latest analysis suggests that the tiny humanlike people whose bones were found in a cave five years ago are ancient human ancestors.

However, not everyone is entirely convinced of the link.

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A frog the size of a bowling ball, with heavy armor and teeth, lived among dinosaurs millions of years ago - intimidating enough that scientists who unearthed its fossils dubbed the beast Beelzebufo, or Devil Toad.

Two previously unknown types of meat-eating dinosaur have been identified from Sahara desert fossils.