Science

Sub-Saharan Africans are feeling positive about their current and long-term economic prospects compared with those in other regions of the world. However, they still see the need for more foreign aid and are concerned about the serious challenges facing them, especially when it comes to better health care and jobs.

People in sub-Saharan Africa are optimistic about their future, but they also recognize that their countries face tremendous challenges — identifying health care and education as top concerns.

When asked a series of 12 science-related questions, whites, on average, fared better than blacks or Hispanics. What's behind this knowledge gap?

Only 34% of Americans correctly answered a question about the difference (if any) between boiling water in Los Angeles and Denver. So what's the right answer, and why?

The debate over the safety of genetically modified foods has put state lawmakers who favor requiring labeling of these products at odds with counterparts in Congress who oppose it. Americans’ concerns about GM foods are providing the backdrop: A majority of them believe such foods are generally unsafe to eat.

Overall, a majority of Americans support stricter limits on power plant emissions, but as with climate change, the views of Democrats differ markedly from those of Republicans.

A new 40-nation Pew Research Center survey finds that concern over Iran’s nuclear program is greater in the United States and Israel than among other global publics.

If all went according to plan, NASA’s New Horizons spacecraft swept past Pluto this morning just before 8 a.m. Eastern time, offering scientists and the public a glimpse at the previously unexplored edge of the solar universe.