Jeff Tollefson

Guidance document calls on agencies to draft protective scientific-integrity policies for White House review within two months.

Sanctions on Priyanga Amarasekare have baffled supporters, who think they are retaliation for speaking out against discrimination.

A committee found that Priyanga Amarasekare broke rules after she alleged discrimination by colleagues. It recommended light sanctions — but the university chancellor issued stronger ones.

The nation has spurned a major arms-control agreement, pushing nuclear powers toward a worrying lack of regulation, says non-proliferation researcher.

The EPA has proposed a strict PFAS limit, but it will take money and innovative technologies to implement the plan.

Tens of thousands of federal researchers might have to stop work on 1 October — but the shutdown’s effects could ripple well beyond government.

Despite last year’s CHIPS and Science Act, which was meant to boost innovation, report predicts that Congress will cut spending on science.

Researchers confirm a powerful greenhouse gas being emitted from eastern China despite reports to the contrary.

Fifth National Climate Assessment says nowhere is safe from warming, but some communities are impacted harder than others.

Chances are rapidly disappearing to limit Earth’s temperature rise to the globally agreed mark, but researchers say there are some positive signs of progress.

Polar ice, coral reefs and other Earth systems could cross irrevocable thresholds soon, but urgent action could stave off the worst effects.

Annie Kritcher and her team at the US National Ignition Facility designed fusion experiments that generated more energy than they consumed.

Researchers at the National Ignition Facility are consistently creating reactions that make more energy than they consume.

Claudine Gay steps down in the face of intense scrutiny following controversial congressional testimony about antisemitism on campus.

Allegations against Claudine Gay have left researchers arguing over academic standards and practices.

If he wins a second term, the former US president has promised to limit the authority of federal agencies and employees, including scientists.

Jury awards Mann more than US$1 million — raising hopes for scientists who are politically attacked because of their work.

Set to launch as early as next week, MethaneSAT will partner with Google to map leaks from the oil and gas industry and beyond.

Depending on the winner of November’s election, researchers anticipate two completely different paths ahead for the environment, public health and more.

The US president proposes a 2025 budget even as negotiations continue over the 2024 budget.