Policy

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

The Trump administration is releasing its proposal to undo the “endangerment finding,” the long-standing rationale and legal imperative for regulating greenhouse gases under the Clean Air Act

A genomics firm saying they can help parents with “genetic optimization” of their embryos is tone-deaf Silicon Valley marketing trampling over legitimate science. Parents should be wary

Less than a decade since the first detection of gravitational waves—ripples in spacetime itself—proposed budget cuts threaten to silence this groundbreaking science

Researchers hoped CMB-S4, a $900-million cosmology experiment, would answer one of the greatest questions in physics. Instead it’s become another cautionary tale of pursuing big science amid shrinking budgets

Hundreds of staffers at the National Institutes of Health, Environmental Protection Agency, NASA and the National Science Foundation have signed public letters to leadership opposing the direction in which the agencies are headed

Acknowledging the limits of one’s own knowledge could be as important a signal of expertise as credentials and confidence