Our health depends on trillions of microbes living in our bodies.
Have black widow spiders lost their bite?
Sky-gazers caught a rare glimpse of Venus framed by the Sun.
Tiny Ecuadorian spiders play a big part in the study of biodiversity.
Fossil gives scientists a heads-up on the origin of flexible infant skulls.
Scientists analyze ancient glaciers to understand climate change today.
Cephalopods turn skin patterns on and off to fool predators.
Scientists connect a superbug’s resistance to antibiotic-laced livestock feed.
SpaceX launches the first private mission to the International Space Station.
The Space Shuttle Enterprise took a final flight on the way to its new home in New York City.