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  • EBLM J0555-57Ab illustration
  • indri
  • Macrostomum hystrix flatworm
Your search has returned 151 articles:
  • Editor's Note

    Expert eavesdroppers occasionally catch a break

    In July of 1972, NASA launched the first Landsat satellite into orbit around Earth. Since then, the spacecraft and its successors have transformed our understanding of Antarctica (and the rest of the planet, too). In the first year following the launch, Landsat’s images of the faraway continent showed “uncharted mountain ranges, vast ice movements and errors in maps as little as two...
    07/26/2017 - 13:15 Earth, Science & Society
  • Science Ticker

    Teeny-weeny star vies for title of smallest known

    An itty-bitty star, with a radius about the size of Saturn’s, is one of the smallest ever found.

    Known as EBLM J0555-57Ab, the star is significantly smaller than the Jupiter-sized TRAPPIST-1, a peewee star famous for hosting a septet of Earth-sized planets. And it’s comparable in size to a previously reported runt, 2MASS J0523-1403.

    Although the star’s girth is similar to Saturn’s...

    07/12/2017 - 07:00 Astronomy
  • Science Ticker

    Lemurs sing in sync — until one tries to go solo

    In a chorus of indris, young males vie for the spotlight, riffing in alternation rather than singing in unison. Not content to be the Joey Fatone of the group, these guys strive for Justin Timberlake status. 

    Indris (Indri indri), the only singing lemur species, begin their songs with roars that descend into long, phrased howls. These choirs are composed of males and females, with one...

    06/14/2016 - 16:00 Animals
  • Science Ticker

    Flatworm can self-fertilize by stabbing itself in the head

    Lonely hermaphroditic flatworms with needle-tipped male organs apparently inject themselves with sperm in whatever body region is easy to stab.

    If raised alone in the lab, a tiny Macrostomum hystrix flatworm ends up with sperm distributed oddly around its body, researchers report July 1 in Proceedings of the Royal Society B. More sperm gets injected into the head and upper body and less...

    07/01/2015 - 15:11 Animals, Evolution
  • Feature

    Rigors of Mars trip make teamwork a priority

    No one has come closer to experiencing the enduring solitude and high-risk travel that would accompany a mission to Mars than the three astronauts who flew to the International Space Station on November 23, 2002.

    Just nine weeks later, the space shuttle Columbia exploded. That led controllers to extend the Expedition 6 mission, as the trio’s endeavor was known, from four to five and a...

    11/14/2014 - 14:00 Psychology, Planetary Science
  • Film

    ‘Dinosaur 13’ details custody battle for largest T. rex

    Dinosaur 13Todd Douglas MillerLionsgate 2014

    The morning of August 12, 1990, didn’t seem like a good one for fossil hunting. Thick fog clung to the South Dakota prairie where Peter Larson and other collectors had been digging for dinosaur bones, and their ’75 Suburban had a flat tire.

    But while Larson fixed the truck, Susan Hendrickson hiked through the murk and struck dino...

    09/06/2014 - 16:00 Paleontology, Science & Society
  • News

    Winter road salting reshapes next summer’s butterflies

    Salting roads in winter can tweak the physiques of butterflies the next summer.

    Milkweeds and oaks, plants that caterpillars graze on, collected from alongside a country road carried higher sodium concentrations than the same species growing at least 100 meters from the splash and drift of deicing salt, says Emilie Snell-Rood of the University of Minnesota in St. Paul.

    Monarch (...

    06/10/2014 - 13:38 Animals, Ecology, Conservation
  • Huge Galactic Explosion

    The most gigantic explosion ever known in the universe, the tremendous detonation of the heart of a distant galaxy of millions of stars, has been discovered. The galaxy, known to astronomers as M-82, is still in the process of explosion, with material rushing out at velocities up to 20 million miles per hour. Matter equal to five million suns is involved in the cataclysm. The...
    09/20/2013 - 08:07 Cosmology
  • News

    Faster memory could accelerate computing

    An advance in a speedy type of microchip could help engineers integrate computers’ short-term and long-term memory.

    For all the recent advances in the speed of computers, their command centers remain relatively inefficient. A central processor does all the thinking and quickly stores a bunch of 1s and 0s on a chip called dynamic random access memory, or DRAM. But DRAM only works when...

    06/11/2013 - 11:22 Technology, Matter & Energy
  • News

    Dead, live guppies vie for paternity

    After death, male guppies can keep on siring offspring because females store sperm for so long. As a result, a living male in a stream in Trinidad can end up competing with long-gone fish from his grandfather’s generation.

    At its most posthumously successful, stored ghost sperm sired about one in four of the offspring among wild guppies released into a stream, evolutionary biologist...

    06/04/2013 - 21:28 Animals