Invertebrate

A large wingless wood-eating cockroach, unique to Australia's Lord Howe Island and thought extinct since the 1930s, has been rediscovered by a University of Sydney biology student.

CU Boulder geologist Lisa Mayhew is among the scientists working to recreate the history of an ancient landscape that wouldn't look out of place in Utah—only this terrain sits on Mars millions of miles from Earth.

Remember the popularity contests of high school? Often our athletic, genetically gifted classmates got the most attention: the school captain, the footy team captain, the prom queen. But popularity contests don't just exist in school. And in the world of conservation, it can be a matter of survival for the "winners" and "losers."

Lagria beetles have developed unusual physical traits to protect their progeny: Small invaginations on the backs of the larvae are inhabited by defensive bacteria.

How a tiny marine invertebrate distinguishes its own cells from competitors' bears striking similarities to the human immune system, according to a new study led by University of Pittsburgh School of Medicine researchers.