In a first, researchers genetically modified hookworms. It’s a step toward turning the parasites into living pharmacies. Read

DNA preserved in ancient scat reveals what Yukon ground squirrels ate and what animals shared their world. Read

During courtship, male scissor-tailed nightjars crack their wings together to make a sharp snapping sound. It’s the result

A new analysis of a 120-million-year-old fossil suggests at least one pterosaur species shimmered in iridescent greens and

In a clinical trial, an experimental antibody reduced lean-mass loss in people on a GLP-1 drug. Whether that

The result is correct but challenges core norms of mathematics: checking proofs, crediting ideas and keeping research open

Over more than a decade at Mars, the orbiter revealed how the solar wind strips away the planet’s

A shrimp vaccine for commercial use could protect the environment and prove vaccines aren’t just for vertebrates. Read

The deep-sea octopus is fully mature despite fitting in a palm, a trait researchers think may help it