Young jumping spiders dangle by a thread through the night, in a box, in a lab. Every so often, their legs curl and their spinnerets twitch—and the retinas of their eyes, visible through their ...

The Darwin Tree of Life (DToL) project aims to sequence the genomes of all animals, fungi and plants found in Great Britain and Ireland—some 35,000 in total. That is a colossal undertaking whose first ...

All animals are related to each other, but comb jellies — a marine invertebrate found in oceans around the world — are the most distantly related to all other animals, shows a new study in Nature.