In the U.S., a solid majority believe there is evidence that global warming is happening, but they do not rank global climate change as one of the top threats facing the country.
Census figures show that North Dakota led the nation in population growth over the past five years, at 12%, and men have accounted for two-thirds of it.
President Obama is expected to announce a new rule cutting emissions from coal-fired power plants. A Pew Research Center survey last September found support for action to cut emissions.
Average temperatures have risen over the past century in nearly every part of the U.S. outside the Deep South.
Some Democratic senators may join with Republicans to vote for building the Keystone XL pipeline. It's an issue that divides Democrats, a Pew Research survey found in March.
Americans are consistently more likely to say that the U.S. spends too much on space exploration than too little.
We asked Americans how likely they thought five things were to happen by 2064. Here's what they said, and what science says.
Americans see the next half-century as a period of profound scientific change, but they don't agree on what will or won't come to pass.
NASA's SpaceX launch could herald the beginning of the use of private, reusable rockets to service America’s space program.
An international panel of scientists warned yesterday of that the world is already experiencing the effects of climate change and it will get worse -- highlighting a problem that people in many countries see as a major threat.