Climate already affecting communities, and effects will get worse without action. The new report is designed to be “policy relevant,” but does not make specific policy recommendations, federal officials associated with the U.S. Global Change Research Program noted.

Thousands of abstracts of conference presentations, most by authors in China, were declared flawed.

The largest-ever database of retracted articles suggests the burgeoning numbers reflect better oversight, not a crisis in science.

Already the world's second biggest R&D spender behind the United States, China is steadily narrowing the gap, according to a government report released last week.

Elena Álvarez-Buylla will become the director of the National Council of Science and Technology in Mexico. While many scientists are delighted that she'll be the first woman to do so, critics worry about her opposition to genetically modified maize, which could spoil the country's astonishing agricultural biodiversity.

The Riemann hypothesis, a formula related to the distribution of prime numbers, has remained unsolved for more than a century.

Declaring in advance what you're going to study, and how, helps avoid p-hacking and publication bias.

For first time in decades, lawmakers finish measure before new fiscal year begins.

Almost 90% of academic clinical trials are not reported promptly to European registry.

John "Iain" Glen, inventor of propofol, among four Lasker Award winners.

Agency reminds researchers to report foreign ties, keep peer reviews confidential.

Observation confirms, yet again, a prediction of physicists' standard model.

Colleagues urge UCI to acknowledge the possibility that its sanctions against Professor Ayala were enacted in haste and to reopen the case and investigate the matter more thoroughly.

A survey suggests U.S. government scientists views are hard to pigeonhole and fall short of documenting widespread unhappiness with the Trump administration.

Tweeting can help science outreach, but may take persistence.

An ambitious project that set out nearly 5 years ago to replicate experiments from 50 high-impact cancer biology papers, but gradually shrank that number, now expects to complete just 18 studies.

Under the current slate of legislation, moderate increases would allow agency research dollars to continue their recent growth.

An investigative report uncovers little recognized and unpoliced potential conflicts of interest among those who serve on FDA advisory panels that review drugs. FDA may also have missed or judged insignificant financial ties physicians had before their service on the drug approval advisory panels.

New IBM system shows off argumentation skills.

Steven Cowley takes over Princeton Plasma Physics Laboratory on 1 July.