An enormous galaxy cluster is birthing stars at a furious pace.
Fossils explain where and when close relatives in our family tree coexisted.
A submersible microscope reveals plankton behavior.
As habitats shift, connections are key for climate-sensitive species.
Scientists study underground microbes, seeking cures for disease.
NASA’s mission control guided Curiosity to a perfect landing in Gale Crater.
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.