The World Health Organization warns of more than 20,000 cases by early November if help doesn't arrive quickly in West Africa. The CDC projects 1.4 million cases by late January.
Guess what scientists found lurking inside a common-looking packet of supermarket porcini? Three entirely new species of fungi. That's what happens when you DNA sequence your dinner.
"There is such a thing as being too late," President Obama says in his address to the U.N. Climate Summit. The White House is touting tools to boost "global resilience" in the face of climate change.
Business and corporate leaders are starting to take climate risk seriously enough to put money on the table to do something about it.
Donors like being a part of a recovery story. It's hard to tell that kind of story about Ebola.
India's Mars Orbiter Mission is set to reach Mars on Wednesday, just days after a U.S. NASA probe began its orbit around the Red Planet. The difference? India did it on a much tighter budget.
India's Mars Orbiter Mission is set to reach Mars on Wednesday. Julie McCarthy reports on how a country that can barely afford to feed its people justifies a space program.
The eruption has been going for weeks. So far it hasn't been catastrophic, but it has been creating new ground.
The orbital probe will study how the solar wind interacts with the red planet's thin atmosphere.
NASA's MAVEN spacecraft on Sunday night fired its six main rocket engines for 33 minutes. That slowed the probe down enough so it could be captured by the Red Planet's gravity.
It's not violence on the job that makes some pro football players beat their wives or children, psychologists say. It's often childhood experience, fanned by a culture that accepts such behavior.
Angela Stimpson donated a kidney to a complete stranger. Why did she do it? Researchers found that the brains of Stimpson and other altruists are sensitive to fear and distress in a stranger's face.
Tonight, NASA's MAVEN spacecraft will arrive at Mars to study the thin Martian atmosphere to give scientists a better idea of why the Martian climate changed so dramatically billions of years ago.
The People's Climate March is timed to draw the notice of world leaders gathering for this week's U.N. Climate Summit in New York.
Michael Toma of Claremont University has looked into the differing cognitive abilities of crossword puzzle experts versus Scrabble aficionados. NPR's Wade Goodwyn discovers the differences.
Astrophysicist Roberto Trotta argues that we don't need jargon. He tells NPR's Wade Goodwyn he's compiled a history of the universe as we know it, using only the 1,000 most-common English words.
The skeleton lay buried in a gravel pit for tens of thousands of years. This week, paleontologists carefully transported the last and largest section to the Perot Museum of Nature and Science.
Ooh, you smell so good ... and we're both members of the Whig party, too! Turns out there's scientific evidence that people who share political beliefs are attracted to each other's body odor.
Hundreds of thousands are expected at a march in New York City ahead of the United Nations climate summit. Organizers want to send a message to world leaders that it's time to take concrete action.
In the new exhibit "Genesis," the noted photographer Sebastiao Salgado shares his vision of "a kind of state of humanity of the planet," from Amazon tribes to frozen Siberia.