Nell Greenfieldboyce Nell Greenfieldboyce is a NPR science correspondent.
Nell Greenfieldboyce 2010
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Nell Greenfieldboyce

Scientists Ponder Whether Our Universe Is The Only One That Exists

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What Is The Universe Made Of? Scientists Respond

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Is The Universe Infinite?

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The marmalade hoverfly might not be the flashiest bug under the sun, but researchers say it "does some very important jobs." Clifton Beard/Flickr hide caption

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Clifton Beard/Flickr

Bugs Abound: If You Think The Skies Are Crowded, You Have No Idea

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Jeffery Hangst's ALPHA research at CERN, which is Europe's premier particle physics laboratory and is located near Geneva, is devoted to studying antimatter. CERN hide caption

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CERN

Scientists Blast Antimatter Atoms With A Laser For The First Time

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Monkeys' vocal equipment can produce the sounds of human speech, research shows, but they lack the connections between the auditory and motor parts of the brain that humans rely on to imitate words. Brian Jefferey Beggerly/Flickr hide caption

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Brian Jefferey Beggerly/Flickr

Say, What? Monkey Mouths And Throats Are Equipped For Speech

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Samples from this 17th century Lithuanian mummy were found to house samples of variola, the virus that causes smallpox. Kiril Cachovski/Lithuanian Mummy Project hide caption

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Kiril Cachovski/Lithuanian Mummy Project

A Mummy's DNA May Help Solve The Mystery Of The Origins Of Smallpox

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Trump Selects Oklahoma Attorney General Scott Pruitt To Run The EPA

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Oklahoma Attorney General Scott Pruitt arrives for meetings with President-elect Donald Trump at Trump Tower in New York City. Eduardo Munoz Alvarez/AFP/Getty Images hide caption

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Eduardo Munoz Alvarez/AFP/Getty Images

A visit to Jupiter's moon Europa in the 2020s is among the upcoming NASA missions that have real potential to search for "biosignatures," or substances that provide evidence of life. NASA/JPL hide caption

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NASA/JPL

If You're Looking For Alien Life, How Will You Know If You've Found it?

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Labs are now churning out large white diamonds that are indistinguishable from those found in nature. The diamond on the left is lab-grown, while the uncut version of the one on the right was created by millions of years of intense pressure. Michael Rubenstein for NPR hide caption

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Michael Rubenstein for NPR

Lab-Grown Diamonds Come Into Their Own

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Encore: Scientists Discover Centuries-Long Lifespan Of Greenland Shark

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