Huge plant-eating dinosaurs may have produced enough greenhouse gas by breaking wind to alter the Earth's climate, research suggests.

Laying eggs led to the dinosaurs' downfall after ruling the Earth for 150 million years, a study suggests.

A "shaggy" close cousin of Tyrannosaurus rex discovered in China is the biggest feathered dinosaur known, scientists have revealed.

A magnolia tree in full bloom was the very symbol of spring yesterday in Kensington, west London, as millions of Britons around the country enjoyed temperatures at least 8C warmer than normal for the time of year. Porthmadog in North Wales saw the warmest temperature, 21.7C, making it hotter than Madrid.

Giant Jurassic fleas measuring more than two centimetres (about an inch) may have fed on feathered dinosaurs, say scientists.

A giant penguin more than 4ft (1.2m) tall roamed New Zealand about 27 million years ago, according to paleontologists who have reconstructed it from fossil remains.

British scientists have found scores of fossils the great evolutionary theorist Charles Darwin and his peers collected but that had been lost for more than 150 years.

Schooldays can be the best years of a child's life. Not just school holidays, you note, but the actual days and weeks of term when they – you know – learn stuff and muck around with their mates.

Walk Of The Month: Isle of Wight - Where else can you stumble upon a 65 million-year-old oyster? Mark Rowe takes a step back on the Isle of Wight

There was more than a ripple of excitement in the scientific community yesterday as news spread that a reindeer herder in an isolated part of northern Siberia had found a perfectly preserved, fossilised woolly mammoth calf.

After 150 years of being classified as the oldest bird, scientists have knocked the fossil Archaeopteryx off its perch and reclassified it as a feathered dinosaur, one of many that were fluttering around in the Jurassic period more than 150 million years ago.

A new species of dinosaur found at a brickworks is believed to be the world's smallest.