Policy

With federal vaccine guidance under fire, states are forging their own immunization paths

Former CDC chief Susan Monarez testified that Secretary of Health and Human Services Robert F. Kennedy, Jr., had demanded she rubber-stamp recommendations from his remade vaccine panel

A childhood health report led by RFK, Jr., links poor diet, chemicals, inactivity and “overmedicalization” to worsening U.S. pediatric health

West Coast states are forming their own vaccine compact as Florida announces plans to ditch shot requirements for schoolchildren

Telling people exactly how voting security works helps defeat election misinformation, experiments suggest. But outside experts question how well that works in the real world

Public health experts warn that the Centers for Disease Control and Prevention’s leadership crisis—sparked by the White House’s efforts to oust CDC director Susan Monarez—could jeopardize national biosecurity, pandemic preparedness and disease outbreak surveillance

Overcoming three recent failed tries, Elon Musk’s rocket company successfully flew its reusable jumbo booster and upper-stage Starship spacecraft

Money talks louder in some languages than others

The U.S. planetary science community is sounding the alarm about plans to discard a nuclear technology that has powered dozens of NASA missions over the past 50 years

Researchers are alarmed that an expansive executive order issued by President Donald Trump might upend a long-standing tradition of peer-review for grants

Satellite streaks are ruining astronomical images. Can scientists and space companies find solutions before it’s too late?

If the EPA abdicates its responsibility to address climate change, it will harm health and the planet in exchange for pandering to fossil fuel interests