The scenarios foresaw leaky travel bans, a scramble for vaccines and disputes between state and federal leaders, but none could anticipate the current levels of dysfunction in the United States...
Perseverance will stow away rocks for eventual delivery to Earth and will listen for Martian sounds for the first time
The paper that reported the animal’s discovery was retracted following new evidence from a similar fossil
Archeologists say stone artifacts point to occupation more than 30,000 years ago—but not everyone is convinced
A long-awaited map of the big bang’s afterglow fails to settle a debate over how fast the universe is expanding
Celebration is tinged with relief as $200-million orbiter embarks on 7-month odyssey to the Red Planet
Close-up reveals a surface dancing with ‘campfires’
The United Arab Emirates’ Hope orbiter is the Arab world’s first interplanetary spacecraft — and has jump-started science in the country. Will the momentum last?
Remote clinical trials and other changes could permanently alter pharmaceutical development
After months of denying the importance of aerosol transmission of SARS-CoV-2, the World Health Organization is reconsidering its stance
The ‘quasiparticles’ defy the categories of ordinary particles and herald a potential way to build quantum computers
The epidemic killed more than 2,000 people—but involved the first widespread use of a vaccine against the virus
Three studies showing large DNA deletions and reshuffling heighten safety concerns about heritable genome editing
The detection of particles produced in the sun’s core supports long-held theory about how our star is powered
The virus can damage lung, liver and kidney tissue grown in the lab, which might explain severe COVID-19 complications
European particle-physics lab will pursue a 100-kilometer machine to uncover the Higgs boson’s secrets — but it doesn’t yet have the funds
NASA’s New Horizons mission measures the distances of two stars from the outer reaches of the Solar System
Physicists have made a Bose–Einstein condensate on the International Space Station—allowing them to probe the mysteries of quantum physics in detail
Researchers are beginning to untangle the common biology that links supposedly distinct psychiatric conditions
The first fast radio burst detected in our galaxy comes from a magnetized star, and could help to explain these cosmic enigmas
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