CRISPR-Cas9 tool helps scientists edit DNA.
This year’s prize highlights "the darkest secrets of the universe."
The winners' discoveries have made it possible to cure infected patients and raise the chances of eliminating the disease.
The unprecedented pace of scientific progress on Covid-19 builds on groundbreaking discoveries from the past.
New research reveals the economic importance of “wool dogs” to the Indigenous peoples of the Salish Sea.
Accidents like the Deepwater Horizon spill may hurt the rays’ ability to hunt.