A university student on a fossil-hunting field trip in Dorset made a stunning discovery: a 145-million-year-old jawbone ...

Proteins degrade over time, making their history hard to study. But new research has uncovered ancient proteins in the enamel ...

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

Some ancient traits were lost and had a major influence on mammal evolution. One of the significant losses among mammal ancestors was gastralia, or belly ribs.

A new study suggests the platypus and echidna — the only egg-laying mammals — had a water-dwelling ancestor. The finding could upend what’s known of their evolution.

Mammals’ evolution to terrestrial life happened just before the asteroid that ended the dinosaurs - study reveals. TOI Science Desk / TIMESOFINDIA.COM / Apr 4, 2025, 08:00 IST. Share. AA ...

Science Biology Evolution Early mammals were all one color, study suggests. Their fur may not have been flashy, but it served a purpose. By Lauren Leffer. Published Mar 13, 2025 2:00 PM EDT.

Evolution of platypuses and echidnas tell the story of mammals A cross-section comparison shows (from left) a Kryoryctes (A), platypus (B) and echidna (C) humerus bone. Hand et al.