Tellus Science News Updates

  • Repeating Radio Signals from Deep Space DetectedRepeating Radio Signals from Deep Space Detected
    Repeating radio signals from a mysterious source in a dwarf galaxy three billion light years away have been detected by astronomers.
  • Mars: NASA’s Next Mission to Investigate Planet InteriorMars: NASA’s Next Mission to Investigate Planet Interior
    This artist’s concept from August 2015 depicts NASA’s InSight Mars lander fully deployed for studying the deep interior of Mars. Image credit: NASA/JPL-Caltech › Full image and caption › Full image and caption”/> Preparation of NASA’s next spacecraft to Mars, InSight, has ramped up this summer, on course for launch next May from Vandenberg Air […]
  • Mission for Cassini Probe Coming to an EndMission for Cassini Probe Coming to an End
    The countdown to the final month of NASA’s Cassini spacecraft began after the orbiter sailed through the outermost reaches of Saturn’s atmosphere without trouble Monday. According to NASA, this was the first of the five dives which will be a part of the “Grand Finale” for the 20-year mission that will end on Sept. 15 […]
  • NASA’s Voyager Spacecraft Still Reaching for StarsNASA’s Voyager Spacecraft Still Reaching for Stars
    An artist concept depicting one of the twin Voyager spacecraft. Humanity’s farthest and longest-lived spacecraft are celebrating 40 years in August and September 2017. Image credit: NASA/JPL-Caltech › Full image and caption › Full image and caption”/> Humanity’s farthest and longest-lived spacecraft, Voyager 1 and 2, achieve 40 years of operation and exploration this August […]
  • Sperm Count Study Indicates Decreasing Fertility in First World NationsSperm Count Study Indicates Decreasing Fertility in First World Nations
    A new study shows a sharp decline in male fertility in Western Nations—a region spanning North America, Europe, Australia, and New Zealand—from 1973 to 2011. Sperm counts seem to have dropped by more than 50 percent. Other studies show fertility decrease around the world.
  • Massive Black Hole Suffers Galactic IndigestionMassive Black Hole Suffers Galactic Indigestion
    Even supermassive black holes can bite off more than they can chew, it seems, based on observations of a nearby pair of colliding galaxies. NGC 5194 & 5195. Image credits NASA, ESA. A study analyzing emissions throughout the electromagnetic spectrum released by a nearby supermassive black hole gobbling up matter has revealed that even they […]
  • Climate Change: Three Years Left on the Clock for ChangeClimate Change: Three Years Left on the Clock for Change
    we only have three years to act if we want a smooth transition to a low-carbon economy—the socio-economic equivalent of losing weight in a slow and steady manner.
  • Egyptian Mummy, Viking DNA Reveals How Cats Conquered WorldEgyptian Mummy, Viking DNA Reveals How Cats Conquered World
    Their trek from pest exterminator to pet. Like a boss Pexels Before cats conquered the internet, they conquered the world—with a little help from their human serfs. Domesticated cats live pretty much everywhere except Antarctica, and a new study in Nature Ecology and Evolution helps to uncover how they spread so far. DNA from the […]
  • Our Sun Might Have had an “Evil” TwinOur Sun Might Have had an “Evil” Twin
    The family isn’t close. Our sun might have been born with a non-identical twin. Dubbed Nemesis, it would have orbited the same point as our own star before wandering off into the galaxy. Nemesis has never been found, but a new analysis suggests that all stars—including our own—are born in pairs. NASA/GSFC/SDO Sunlike stars often […]
  • Flares May Threaten Planet Habitability Near Red DwarfsFlares May Threaten Planet Habitability Near Red Dwarfs
    This illustration shows a red dwarf star orbited by a hypothetical exoplanet. Credit: NASA/ESA/G. Bacon (STScI) › Full image and caption › Full image and caption”/> Cool dwarf stars are hot targets for exoplanet hunting right now. The discoveries of planets in the habitable zones of the TRAPPIST-1 and LHS 1140 systems, for example, suggest […]

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