The exaggerated horns and elongated forelegs of male flower beetles, which use these appendages as weapons in combat for females, do not slow down the insects in a race.

Scientists have found traces of the dairy product in 7,200-year-old pottery in Croatia.

A toothless whale fossil without signs of baleen could help explain how the whale filtration system evolved.

Without access to their mothers’ milk, Toxeus magnus offspring die within the first 10 days of life.

An unusual population of immune cells appears to exist in zebrafish as well as mammals.

Cats’ tongues are covered in tiny spines called papillae, which help wick moisture from the mouth and onto the fur.

Collagen tunnels through mouse lymph nodes ferry antibodies into the bloodstream.

Newly developed techniques could propel a field already advancing rapidly to complement modern medicine.

Numerous experimental vaccines that aim to provide multi-season protection are in human studies.