An investigation of brain development in sea spiders provides hints about how the earliest arthropod head evolved. These observations are bound to provoke controversy in an already acrimonious field.

It was only a little more than a century ago that the first great strides were taken in recognizing the role of arthropods as 'vectors' capable of transmitting pathogens that cause disease in humans ...

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A new study reveals that beetles, wasps and other beneficial arthropods are nearly twice as abundant and diverse in uncultivated field edges in the spring as they are in areas that are cropped - if ...

During Earth’s Cambrian period 500 million years ago, the seas teemed with weird and fabulous critters. One of them, the radiodont, had a predatory appendage, toothy circular mouth and a segmented ...

Discoveries at a major new fossil site in Morocco suggest giant arthropods – relatives of modern creatures including shrimps, insects and spiders – dominated the seas 470 million years ago. Early ...

Scientists have discovered the oldest record of arthropods -- invertebrate animals that include insects, arachnids, and crustaceans -- preserved in amber. The specimens, one fly and two mites found in ...

For nearly two centuries, scientists have tried to solve an enduring mystery about a giant millipede-like animal named Arthropleura that used its many legs to roam Earth more than 300 million years ...

Around half a billion years ago, in what is now the Yunnan Province of China, a tiny larva was trapped in mud. Hundreds of millions of years later, after the mud had long since become the black shales ...