Researchers have identified a previously unknown bacterial protein, the structure of which is being used in the design of protein ... could help drug delivery in cancer treatment.

Two-thirds of studied species declined by more than 10%, the study said. Butterfly populations have dropped by 22% across 554 recorded species in the United States, according to a new study in the ...

US butterfly populations have declined by 22% since 2000, with 114 species showing significant drops. A study published in Science found insecticides, climate change, and habitat loss are driving ...

We found declines in just about every region of the continental U.S. and across almost all butterfly species. Overall, nearly one-third of the 342 butterfly species we were able to study declined ...