Mammals evolved big brains after big disasters
Icy clouds could have kept early Mars warm enough for rivers and lakes
A new perspective on the genomes of archaic humans
Genetic effects of Chernobyl radiation
Mars has right ingredients for present-day microbial life beneath its surface, study finds
Experimental drug shows potential against Alzheimer's disease
Among COVID-19 survivors, an increased risk of death, serious illness
Astronomers release new all-sky map of Milky Way's outer reaches
The wave beneath their wings
Fearsome tyrannosaurs were social animals, study shows