Long before the first dinosaur hatched, Earth's ancient life was already thriving. There were bizarre sea creatures and lumbering plant-eaters that ruled prehistoric landscapes for hundreds of ...

Fossils offer a glimpse into Earth's ancient life, revealing the origins and evolution of complex organisms. Discoveries like ...

What is the Tully monster? Learn more about the near-nameless fossil, and why experts still can't agree on its classification ...

New technique preserves major nerves, blood vessels, and other critical structures in a hard-to-access area. In a ...

Tuatara. Image by TimVickers, Public domain, via Wikimedia Commons. The tuatara of New Zealand represents the sole survivor of an entire order of reptiles (Rhynchocephalia) that flourished during the ...

In the constant flux of evolution, some species stand as remarkable exceptions—living fossils that have remained virtually unchanged for millions of years. These evolutionary stalwarts have found ...

Rodents in scientific research. Read about rats, hamsters and mice. Learn about mouse allergens, beach mouse habitats, rodent control, lab mice, and the common house mouse.

Timely TGFβ signalling inhibition induces notochord Through analysis of developing chick embryos and in vitro differentiation of embryonic stem cells, a study develops a method to generate a ...