COVID-19 is straining African food security, but also presents an opportunity for change
A new satellite image reveals the damage that shut down the facility, ending an era in astronomical observation
Rapid antigen tests are designed to tell in a few minutes whether someone is infectious. Will they be game changers?
Paratek Pharmaceuticals made a life-saving drug and got it approved. So why is the company’s long-term survival still in question?
Debate continues over a controversial report of phosphine in the planet’s atmosphere, as researchers reanalyze data and find a fainter signal
Preliminary data show that the immunization is 94 percent effective and seems to prevent severe infections
Chang’e-5 has just one lunar day to collect material from a previously unexplored region of the moon’s near side
Mobile phone data suggest restaurants, gyms and cafés can be COVID hotspots—and reveal strategies for limiting spread
The new president has the opportunity to reverse four years of anti-science policies—but he has a hard road ahead as he inherits a nation divided
Astrophysicists now have enough black-hole mergers to map their frequency over the cosmos’s history
Detective work reconstructs the final movements of the European Space Agency’s Philae probe
It’s too soon to say whether COVID is seasonal like the flu—but where clusters aren’t under control, infections will continue to swell
Why proposals to largely let the virus run its course—embraced by Donald Trump’s administration and others—are a false promise
Jigsaw-puzzle-shaped seams that hold a notoriously tough insect’s wing cases together could inspire engineers
Despite conflicting data, the highly anticipated results will make the treatment a standard of care in the U.S.
Proponents of the trials say they can be run safely and help to identify effective vaccines, but others have questioned their value
A compound of hydrogen, carbon and sulfur has broken a symbolic barrier—but its high-pressure conditions make it difficult to analyze
China has promised vaccines to many countries, but whether it can meet its commitments is unclear
Researchers have spent decades searching for the elusive particles. A final generation of detectors should leave them no place to hide
Researchers are exploring ways to use people’s vocalizations to diagnose coronavirus infections, dementia and depression