Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. An astonishing fossil has ticked off a few world ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. A rare, half-billion-year-old fossil gives us a clue to how a ...

ABSTRACT: Populations may adapt in response to selection pressures imposed by global environmental change. In marine zooplankton, measurements of the heritability of key life history characters, and ...

Karma Nanglu says his favorite animal is whichever one he’s working on. But his latest subject may hold first place status for a while: a 500-million-year-old fossil from the wonderfully weird group ...

Ascidians, marine invertebrates more commonly known as tunicates or sea squirts, come in two flavors: solitary or colonial. Colonial species are known for their extensive ability to rebuild damaged ...

CORVALLIS, Ore. – An aggressive, invasive aquatic organism that is on the state's most dangerous species list has been discovered in both Winchester Bay and Coos Bay, and scientists say this "colonial ...

CC0 Usage Conditions ApplyClick for more information. Did you know that tunicates are the only organisms that can reverse their blood circulation? Check out this video to find out more interesting ...