The prolific illustrator Olivia Lomenech Gill on how thorough research for her latest book led to winning the Carnegie Medal for Illustration.

For this project, she contacted the Cornell Lab of Ornithology, the Western Foundation of Vertebrate Zoology and numerous ornithologists across the world.

Interest in climate science among young people is growing, even as the federal government tries to zero out funding for it.

The shift from lizard-like sprawl to upright walking in mammals wasn’t a smooth climb up the evolutionary ladder. Instead, it ...

Every living thing today is a descendant of something that crawled out of the primordial ooze. And now using an old fossil of one of the most ancient fish species known, scientists might be able ...

Human testicles are much smaller, in proportion, to some of our primate cousins. Evolution can tell us why. But the size of ...

In 2015, two members of the Blue Beach Fossil Museum in Nova Scotia found a long, curved fossil jaw, bristling with teeth.

• Second Monday at the Wagon Works, Berks County Heritage Center, 1102 Red Bridge Road, Bern Township, 11 a.m.-noon. On the ...

Behavior and morphology in the glandulocaudine fishes (Ostariophysi, Characidae). University of Califoria Publications in Zoology, 75: 59-152. Pecio, A. 2003. Spermiogenesis and fine structure of the ...