Flagship US Fusion Reactor Breaks Down
A design flaw introduced during a recent upgrade could keep the reactor offline for at least a year
Stories by Jeff Tollefson
Trump versus Clinton: Worlds Apart on Science
Presidential candidates begin to make clear their stark differences on climate change, energy production and stem cell research
Obama's Top Scientist Talks Shrinking Budgets, Donald Trump and His Biggest Regret
John Holdren tells Nature about the highs and lows of nearly eight years in the White House
Dry Amazon Could See Record Fire Season
Forecasters warn that high ocean temperatures presage intense blazes in rainforest
Nuclear Summit a Test for Obama's Legacy
US president pushed world to secure radioactive materials, but the threat of nuclear warfare — and terrorism — remains
Massive Network of Robotic Ocean Probes Gets Smart Upgrade
Initiatives aim to measure global warming’s impact on high seas and deep currents
U.S. Lawmakers Expand Probe of Climate Study
House science committee broadens scope of investigation into NOAA analysis that refuted global-warming ‘hiatus’
Lowering Ocean Acidity Promotes Coral Growth on Great Barrier Reef
First of its kind study provides direct evidence of damage inflicted by rising carbon dioxide emissions
Global Warming "Hiatus" Debate Flares Up Again
Researchers now argue that the warming slowdown was real
Obama Makes Risky Bid to Increase Science Spending
Research advocates worry that the president's budget proposal could backfire in the face of political opposition
U.N. Agency Proposes Greenhouse Gas Standard for Aircraft
The plan aims to decrease carbon dioxide produced by new airplanes
Forests Not Equal When It Comes to Climate
Two studies show how different tree species affect both carbon storage and local temperatures
"Flaring" Wastes 3.5 Percent of the World's Natural Gas
Satellite measurements track burned gas by country as policy makers seek to reduce emissions
South Korean Economist to Lead Global Warming Science Panel
The new leader of the Intergovernmental Panel on Climate Change replaces Rajendra Pachauri
Documents Spur Investigation of Climate Skeptic
Questions are raised about conflict-of-interest disclosures by Willie Soon, employed by the Harvard-Smithsonian Center for Astrophysics
Obama's Budget Seeks Big Boost for Science
The White House plan would increase research and development funding but faces a rough road in Congress
Flat Budgets for NIH and NSF in Obama's 2015 Plan
With Congress unlikely to approve tax-based boosts for science, agency funding hopes are dashed
U.S. Seeks Nuclear Waste Research Revival
A radioactive leak at the nation's only deep-waste repository in New Mexico has brought these facilities back into the spotlight
Radiation Levels Fall after Nuclear Waste Leak in New Mexico
The U.S. Department of Energy is preparing to reenter the deep-underground waste repository to determine the cause of the spike
Uncertain Future for Iconic "Keeling Curve" CO2 Measurements
Scripps geochemist Ralph Keeling is struggling to find funds to maintain his long-standing carbon dioxide record and more recent atmospheric-oxygen monitor
