Policy

There’s no safe level of exposure to lead—but a small, strange study shows we’ve made incredible progress in recent decades

After a year of protests from astronomers, authorities have abandoned plans for a giant, light-polluting renewable-energy facility in Chile’s Atacama Desert

Relaxing radiation safety standards could place women and children at higher risks of health issues

The National Institutes of Health’s move to end support for research using fetal human tissue is “clearly a political decision, not a scientific one,” one expert says

A new report finds that a majority of Americans think the U.S. should be a world leader in science, but Democrats increasingly believe other countries are catching up

Lawmakers aim to support science research despite cuts proposed by the Trump administration

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