A new study is providing an enhanced look at the intertwined evolutionary histories of polar bears and brown bears. Becoming separate species did not completely stop these animals from mating with e… [+6725 chars]
A deep dive into the 5,500 marine RNA virus species scientists recently identified has found that several may help drive carbon absorbed from the atmosphere to permanent storage on the ocean floor. … [+7060 chars]
ESA's Comet Interceptor mission to visit a pristine comet or other interstellar object just starting its journey into the inner solar system has been "adopted" this week; the study phase is complete … [+5987 chars]
