Like sediment cores, ice samples and tree rings, bat excrement can be used to study the climate of the past
The crab-eating fox and the coyote may soon swap territories, initiating the first American cross-continental exchange in more than three million years
A pair of pristinely preserved fossils suggest scorpions have looked mostly the same since they first crawled onto land
The so-called 'xenobots' could replace traditional metal or plastic robots without polluting the planet, but they raise ethical questions
Animals often share food, but these birds understand that metal rings can be exchanged for treats, and they share the rings with no promise of reward
The results of the eye-popping study suggest cuttlefish see the world in surprisingly human ways
Breakthroughs include measuring the true nature of the universe, finding new species of human ancestors, and unlocking new ways to fight disease
Shortly after transitioning from sea to land, our egg-laying ancestors may have started parenting their young
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Several species of cat have members with all-black coats, but the evolutionary advantages and disadvantages are just starting to be understood
In the past 10 years, the world's oceans have faced new challenges, revealed new wonders, and provided a roadmap for future conservation
This year marks the arrival of a brilliant diamond, a hybrid space rocket, exciting paintings and two darling clouded leopard cubs
A new exhibition places the human-elephant relationship in the context of American history
A 39-million-year-old whale with floppy feet, which may not have been very good for walking, helps illuminate the massive animals' transition to the oceans
Prehistoric insects that resemble modern lice infested animals as early as the mid-Cretaceous, living and evolving along with dinosaurs and early birds
Though only tried in cat tissues so far, the technique could someday aid fertility preservation, wildlife conservation and more
The elaborate structures, which are not actually wings, can resemble thorns, leaves, ants and more
The natural light of insects and sea creatures can help doctors illuminate H.I.V. and even kill cancer cells
Researchers in Virginia studied how mowing, burning or animal grazing helped or hindered birds that stayed home for the winter
At the centennial of the death of this captive animal, an archaeozoologist visited collections at the Smithsonian to examine human-animal relationships
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