Researchers found out that the first flying vertebrates were very closely related to a small dinosaur-like group of animals.
Scientists used ancient DNA, radiocarbon dating, and archaeological remains to find out where the first people in the Caribbean came from.
Scientists wanted to measure the benefits of expanded vaccination programs in 98 countries.
Scientists created mathematical models to estimate how the measures against COVID-19 are impacting people with HIV, tuberculosis and malaria.
Scientists gathered information on every birth in Brazil since the beginning of the Zika outbreak to search for a connection between the virus and microcephaly.
Scientists wanted to know whether feral dogs were a problem for naturally occurring carnivores in the Andean mountains in Ecuador.