Over a half-billion years ago, life on Earth was comprised of simple ocean organisms unlike anything living in today's oceans
A recent study of Heliconius butterflies says that it isn't
Scientists recreate in flies the mutations that let monarch butterflies eat toxic milkweed with impunity
While simple prokaryotic bacteria formed within the first billion years of the Earth, the origin of eurkaryotes, the first cells with nuclei, took much longer.
Raging winds can demolish trees, defoliate entire canopies, and scatter debris across forest floors, radically altering the habitats and reshaping the selective pressures on many organisms
The approach angle is the key
Researchers uncover new evidence for the origin of RNA splicing within human genes