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Your search has returned 10 images:
  • Handguns at a gun show in Las Vegas
  • cows grazing
  • five moons of Pluto
Your search has returned 40 articles:
  • Feature

    Gun research faces roadblocks and a dearth of data

    Buying a handgun in Connecticut means waiting — lots of waiting. First comes an eight-hour safety course. Then picking up an application at a local police department. Review of the application (which includes a background check and fingerprinting) can take up to eight weeks. If approved, the state issues a temporary permit, which the buyer trades in at state police headquarters for a permanent...

    05/03/2016 - 15:00 Science & Society, Mental Health, Health
  • Feature

    Getting creative to cut methane from cows

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    In a pasture outside Edmonton, Canada, you’ll find a few dozen cows doing what cows do: mostly eating. The average animal spends eight-plus hours a day filling its belly, or as is the case with cows, bellies. Along with that enormous appetite, cows are born with the ability to digest almost any plant they can chew, thanks to a multichambered stomach and a helpful army of...

    11/18/2015 - 16:36 Animals, Microbes, Climate
  • News

    Pluto’s smaller moons pose mysteries

    Pluto and Charon might have been the stars of the New Horizons mission, but the dwarf planet’s four smaller moons have some surprises to share as well.

    With images of Kerberos transmitted from the spacecraft on October 20, the Pluto family portrait is complete. The tiny moons Nix, Hydra, Kerberos and Styx are no longer pinpricks of light but textured, misshapen balls of ice that look...

    11/02/2015 - 06:00 Planetary Science
  • News

    Mission to Pluto: Live coverage

    The New Horizons spacecraft flew by Pluto at 7:49 a.m. EDT on July 14, 2015. Astronomy writer Christopher Crockett wrote several updates from mission control at the Johns Hopkins University Applied Physics Lab in Laurel, Md., from July 12-15, and reviewed some of the mission's major milestones from the last several months. Check our Mission to Pluto editor’s pick for the latest on New Horizons...

    07/15/2015 - 17:39 Planetary Science
  • Feature

    Rendezvous with Pluto

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    Tiny, far-flung Pluto is about to have a visitor — at least for a few hours.

    On July 14, NASA’s New Horizons spacecraft will reach the dwarf planet and try to learn all it can about Pluto and its five known moons. Then the probe will leave Pluto behind, vanishing into the frigid darkness beyond the planets.

    In its wake, New Horizons will introduce Earth to the...

    06/12/2015 - 11:55 Planetary Science, Astronomy
  • Screentime

    An app to track firefly flashings

    A firefly flashing at dusk is an iconic sign of summer. Now you can enjoy these light shows and contribute to science at the same time with a firefly tracking app.

    There are around 2,000 species of these luminescent beetles, which light up the twilight with yellow, greenish or amber light. Scientists at Clemson University in South Carolina are concerned that firefly populations might be...

    07/26/2014 - 09:22 Science & Society, Animals
  • Feature

    Online causes may attract more clicks than commitments

    The Save Darfur Cause on Facebook had all the makings of a slam dunk cyber success. More than a million people joined the social media site’s digital movement a few years ago to save the people of Sudan’s Darfur region from mass slaughter.    

    There was a hitch in Facebook’s humanitarian giddy-up, though: The vast majority of people who enlisted in the Save Darfur Cause recruited no one...

    06/27/2014 - 14:04 Psychology, Networks, Science & Society
  • Feature

    The long and winding Colorado

    Standing on a mesa high above the town of Rifle, Colo., Andres Aslan is having a hard time staying quiet. The lanky geologist from nearby Colorado Mesa University normally speaks in a low-key professorial drone. But here, looking down at a sprawling river valley blazing with autumnal cottonwoods, his enthusiasm cranks up his volume. “This could be it,” says Aslan, gesticulating wildly. “This...

    01/10/2014 - 14:00 Earth, Planetary Science
  • Feature

    Deep network

    Gas bubbles effervesce from a mound of muck on the seafloor in a deep submarine canyon off the west coast of Canada. Microbes beneath the sediment belch the bubbles after feasting on the ancient remains of algae, sea critters and their poop: a primordial stew that’s been simmering since long before humans walked the Earth.

    This gassy oasis attracts an odd collection of critters. Worms...

    10/04/2013 - 15:00 Earth, Technology
  • Feature

    View to a cell

    Imagine if your best knowledge of human anatomy came from viewing the body through binoculars from a mile away. You might make out the shape of a hand, but knuckles and fingernails would elude you. Experiments could tell you there’s a pumping heart inside, but to see that heart with any clarity you would have to fix it in formaldehyde or liquid nitrogen, blast it with electrons and add dyes to...

    05/28/2013 - 16:22 Cells, Biophysics