Senators Want to Bar E.P.A. Greenhouse Gas Limits
A Republican senator introduced a resolution to prevent the agency from taking any action to regulate carbon dioxide and other climate-altering gases.
Past Decade Warmest Ever, NASA Data Shows
The agency also found that 2009 was the second warmest year since 1880, when temperature measurement began.
Observatory: Plant Switches Pollinators When Caterpillars Strike
A plant defends itself by shifting the time of its flowering, scientists found.
Books of The Times: Conservation as a Matter of Managing People
A continent-hopping examination of the rewilding movement, which stresses the restoration of animal habitats and the importance of migration corridors.
Warming Expected to Cut Atlantic Hurricane Tally but Boost Threat
A new climate analysis foresees a drop in Atlantic Ocean hurricanes but rising damage because of more potent storms.
NASA Announces Designs for Personal Flying Suit
Forget the Segway. Leave that jet pack behind. NASA is working on a personal flying suit.
Expanding Use of Wind Power Feasible, but May Be Costly
According to a study, heavy reliance on wind energy is “technically feasible,” but will require significant expansion of the power grid.
Marshall Nirenberg, Biologist Who Untangled Genetic Code, Dies at 82
Mr. Nirenberg was a biologist who deciphered the genetic code of life, earning a Nobel Prize for his achievement.
U.N. Official Says Climate Deal Is at Risk
Facing a Jan. 31 deadline, major countries have yet to submit their plans for reducing emissions of climate-altering gases.
Carp DNA Is Found in Lake Michigan
The most recent findings are the first to discover genetic material from the Asian carp, though not physical fish, in the waters of the Great Lakes.
Teacher With Bible Divides Ohio Town
Officials say a teacher should be fired for pushing religion in class. Supporters say he is being unfairly punished.
Will China Achieve Science Supremacy?
China is leaping forward in the sciences, but academic fraud and limited Web access are hurdles.
Remarkable Creatures: When Built-In Antifreeze Beats a Winter Coat
Many insects, and other animals, defend themselves against direct exposure to subfreezing temperatures through biochemical ingenuity.
U.N. Panel’s Glacier Warning Is Criticized as Exaggerated
An estimate about the rapid melting of Himalayan glaciers from climate change is coming under fire as a gross exaggeration.
Observatory: Why Alaska Isn’t Free of Exxon Valdez Crude
Scientists attributed the persistence of oil in Prince William Sound to its being trapped in a lower, less-permeable layer of the beach.