Policy

Health officials have agreed to assess pending medical research grants after a Trump administration antidiversity purge put them on ice

The FDA is reportedly considering the addition of high-level warning labels to COVID vaccines, a move that some experts say may cause unfounded concerns over safety

Jared Isaacman—the presumptive next leader of NASA—answered questions about his plans for the future of U.S. space exploration on Wednesday

The 2015 Paris Agreement forged a path for the world to stave off the worst climate change scenarios. Here’s where we stand 10 years later

The National Institutes of Health has canceled funding for at least 383 clinical trials in the last year, affecting some 74,000 participants

NASA’s presumptive next leader wants to outsource more of the space agency’s interplanetary science. The newly launched ESCAPADE mission to Mars offers a sanity check for those plans

In a reversal, the Food and Drug Administration has removed black box warnings on hormone replacement therapies for menopause

Reflect Orbital’s plan to deliver “sunlight on demand” using thousands of giant orbital mirrors is just the latest in a growing list of disruptive commercial activities in space

Ahead of Jared Isaacman’s renomination for the position of NASA’s administrator, a dispute between him and its acting chief Sean Duffy spilled into the open, with potentially profound consequences for the U.S. space agency

“The only countries that will really learn more if [U.S. nuclear] testing resumes are Russia and, to a much greater extent, China,” says Jeffrey Lewis, an expert on the geopolitics of nuclear weaponry

Russian leader Vladimir Putin claimed his nation conducted a successful flight of a nuclear-powered cruise missile. Here’s how that missile might work

Massive marches nationwide in the U.S. marked a turn against an increasing acceptance of political violence among protesters, report sociologists