Scientists discover a new species of four-"winged" microraptor dinosaur, Jian changmaensis, that likely glided like a flying squirrel and targeted prehistoric birds 120 million years ago.

Prehistoric tetrapod Whatcheeria was an apex predator that grew rapidly in its youth – a surprising finding that also shows how evolution isn’t a neat stepwise process

Birds are laying their eggs earlier, and climate change is to blame

228-million-year-old fossil turtle didn’t have a shell yet, but had the first toothless turtle beak

When scientists analyzed the chemical make-up of blue hibonite crystals found inside the remnants of a 4.5 billion-year-old meteorite, they found atoms that would only be there if the early sun was spitting out lots of high-energry particles -- the solar version of going through the 'terrible twos.'

Scientists discover new giant rat species in the Solomon Islands