Jeff Tollefson

A surge in global temperatures has caused widespread bleaching and death of warm-water corals around the world.

A report by the panel downplays the ills of global warming and was key to White House efforts to revoke federal authority to regulate climate policies.

Nearly one-quarter of heatwaves would have been ‘virtually impossible’ without global warming — and can be attributed to the emissions of individual energy producers.

Design could help to probe the ‘ignorosphere’, a layer of ultra-thin air that has largely escaped exploration by balloons, aircraft and satellites.

US researchers were hopeful when Donald Trump appointed Michael Kratsios to a top science position, but many say he has contributed to the chaos. Can he turn things around?

The authors welcome ‘serious’ scientific rebuttals to report that some say misrepresents decades of climate science.

The system will save time spent on processing satellite data, researchers say — but they hope the tech firm will share more about how it works.

Study reveals how the tech behemoth is using the motions sensors on phones to expand quake warnings to more countries.

Efforts by leaders of the US national academies to adjust to the new political reality have spurred member concerns about capitulation and censorship.

Research across science and medicine will probably shrink at one of the world’s most elite universities amid a new political reality.

Thousands have signed an open letter against the US president’s latest order, anxious about political interference in science and more.

The US government is shutting down a state-of-the-art facility that has provided data to inform health and environment regulations for decades.

E-mails reveal the stoppage at the US Environmental Protection Agency, which is encouraging workers to resign ahead of a reorganization.

President Donald Trump and his administration have gutted science agencies, terminated research programmes and cancelled billions of dollars in grants to universities. What are the long-term impacts for the United States and the world?

As the administration of US President Donald Trump slashes budgets, crucial data sets on climate and other subjects could disappear.

With the world set to blow past its temperature targets, efforts are growing to remove greenhouse gases from the atmosphere.

Researchers who spoke to Nature say they don’t have the money or staff to do fieldwork or process samples.

Arrests of scholars by US President Donald Trump’s administration prompts lawsuit alleging free-speech violations.

Two faculty organizations file suit after university makes concessions to Trump officials.

Spending on research, including at the NIH, will see modest cuts this year. But the threat of big reductions in future remain.