Policy

President Donald Trump is threatening steep tariffs on virtually all imports. Here’s what that means and what economics research suggests would be the impact

Tariffs on Mexico and Canada won’t stop the demand for addictive drugs

Astronomers are racing to protect the dark skies as private companies seek to place large advertisements in Earth orbit

Proposed cuts to Medicaid could undo advances in treatment for opioid use disorders, risking more overdoses, deaths and stress on the U.S. health system

With wildfires happening more often and burning more area, homes need to be “hardened” to make them more fire-resistant

Defense Secretary Pete Hegseth wants to end the Pentagon’s climate efforts. Some experts say the move could hurt military readiness

EPA Administrator Lee Zeldin outlined an aggressive plan to dismantle the "holy grail" of climate regulation, the endangerment finding

“Stand Up for Science” shows how science supporters are coming together

Top advisers in NASA’s Office of the Chief Scientist are among the first to go amid a government-wide downsizing effort

The U.S. National Academy of Sciences should denounce the antiscientific policies of the Trump administration

The current system of daylight saving time and early school start times wastes billions while causing more car accidents, workplace injuries and health issues

The Federal Emergency Management Agency must show in one week whether it is complying with a judge’s ruling that blocks the Trump administration disaster aid freeze