How Could a COVID Vaccine Cause Blood Clots?
Gender-Affirming Health Care Should Be a Right, Not a Crime
Space Junk Removal Is Not Going Smoothly
Despite promising technology demonstrations, there is no one-size-fits-all solution for the growing problem of taking out the orbital trash
Dark Matter's Last Stand
How Could a COVID Vaccine Cause Blood Clots?
Gender-Affirming Health Care Should Be a Right, Not a Crime
How Health Care Leaders Can Support Their Frontline Workers
Scientists Should Admit They Bring Personal Values to Their Work
Climate Risks Bill Could Spark Shift to Truly Green Economy
First Flight of NASA’s Mars Helicopter Ingenuity Is Delayed
Johnson & Johnson Vaccine Suspension—What This Means For You
Special Report
The Black Lives Matter Movement

What began as a call to action in response to police violence and anti-Black racism in the U.S. is now a global initiative to confront racial inequities in society, including environmental injustice, bias in academia and the public health threat of racism.
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Nature Can Help Us Prepare for the Next Pandemic
In March 2020 Ruth DeFries finished a manuscript more than five years in the making. It turned out to be both prescient and prophetic. In this document, the Columbia University professor argued that global crises are now inevitable because of the complexity and interconnectedness of our modern civilization...