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Biology

Oldest Fossil Evidence of Animal Parenting Found in Canada

309 million years ago an animal that resembled a lizard wrapped its tail around a younger member of its species.

Charles Q. Choi, Contributor

The bigger the whale, the tougher it is to find a decent meal.

Joshua Learn, Contributor

Cowbirds outsource parenting to other species, but an innate password tells their children to copy cowbird songs.

Nala Rogers, Staff Writer

Plants may recruit defenders by bribing them with other plants' pollen.

Nala Rogers, Staff Writer

Sponges, one of the most ancient animal lineages, can maintain normal gene activity even as oxygen levels drop.

Nala Rogers, Staff Writer

Scientists show that bacteria have unexpected effects in spider sex.

Rodrigo Pérez Ortega, Contributor

Researchers find that membranes may have helped the building blocks of life come together.

Sofie Bates, Contributor

Newly discovered family of fluorescent molecules explains how two kinds of seafloor-dwelling sharks glow.

Rodrigo Pérez Ortega, Contributor

Researchers are freezing cell samples with liquid nitrogen to keep biodiversity alive. Could this be the best way to conserve species for the future?

Katharine Gammon, Contributor