The astronomical idea doesn’t align well with the fossil record, anthropologists argue, but the origins of bipedalism are still difficult to determine.

Researchers identify changes to a pain receptor and to an ion channel that appear to enable the rodents to colonize otherwise inhospitable burrows.

Populations of the two-foot-long amphibians are declining across North America. Scientists are struggling to find out why, before it’s too late.

Sensors encapsulated with oral chemotherapy drugs help patients and physicians keep track of treatments.

Scientists are pretty sure they know where the seaweed is coming from. Now they want to know why it’s here.

The three-dimensional cell cultures are still in the development phase, but researchers are excited about their use to predict patients’ responses to various treatment options.

A six-year study across the Tanzanian mountain’s slopes hints at how land-use practices will interact with a changing climate to influence ecosystems around the world.

A new portable instrument could help to lure useful bugs in from the wild.

Kelp in warm, acidified waters develop blistered fronds—and the composition of microbial communities could help explain why, a study suggests.