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Astronomy and Astrophysics

A collection of news and information related to Astronomy and Astrophysics published by this site and its partners.

Top Astronomy and Astrophysics Articles

Displaying items 45-55
  • Astronomers find a shockingly ancient black hole the size of 12 billion suns

    Some 12.8 billion light years away, astronomers have spotted an object of almost impossible brightness — the most luminous object ever seen in such ancient space. It's from just 900 million years after the big bang, and the old quasar — a...
  • Neil deGrasse Tyson reveals first guests, premiere date for 'StarTalk' show

    Neil deGrasse Tyson reveals first guests, premiere date for 'StarTalk' show
    Everybody's favorite astrophysicist, Neil deGrasse Tyson, is entering the late-night fray in April with a TV version of his hit podcast, "StarTalk." And now we know he'll be joined by an eclectic array of guests on his first few shows. President Jimmy...
  • Big, bright quasar from ancient universe stuns scientists

    Big, bright quasar from ancient universe stuns scientists
    Deep in the universe’s past, astronomers have discovered a luminous quasar powered by an enormous black hole that contains the mass of 12 billion suns. The incredibly bright object is ancient -- shining when the universe was only 875 million years...
  • Close brush between our solar system and a star reported

    Close brush between our solar system and a star reported
    Less than 100,000 years ago, a cool, small star flew within 0.8 light years of our sun, brushing past the icy Oort cloud that lies at the outer edges of our solar system, according to research published this week. Scientists say it is the closest a...
  • Spotted: A planet 10 times the size of Jupiter with four suns

    Spotted: A planet 10 times the size of Jupiter with four suns
    Astronomers have discovered a massive planet with four suns only 125 light-years from Earth. The planet is at least 10 times as big as Jupiter, and scientists say it probably has no actual surface to stand on. But if you could fly a spacecraft into...
  • Jupiter's Ganymede has underground ocean: One more 'soggy' moon

    Jupiter's Ganymede has underground ocean: One more 'soggy' moon
    Astronomers have found the most conclusive evidence yet that a large watery ocean lies beneath the surface of Jupiter's moon Ganymede. With the discovery, Ganymede joins Enceladus and Europa as another moon in the solar system with a confirmed...
  • Young Jupiter wiped out solar system's early inner planets, study says

    Young Jupiter wiped out solar system's early inner planets, study says
    Before Mercury, Venus, Earth and Mars occupied the inner solar system, there may have been a previous generation of planets that were bigger and more numerous – but were ultimately doomed by Jupiter, according to a new study. If indeed the early...
  • A physicist explains 'Furious 7'

    Matthew Kleban holds a doctorate in physics from Stanford, conducted postdoctorate research at Albert Einstein's alma mater the Institute for Advanced Study in Princeton, and is now part of the research group at NYU's Center for Cosmology and Particle...
  • The next blood moon is rising - don't blink or you'll miss it

    The next blood moon is rising - don't blink or you'll miss it
    At 6:16 Saturday morning, step outside and look up at the full moon. But don't blink or you'll miss it: a total lunar eclipse. The whole thing will last a mere five minutes -- the briefest lunar eclipse of the century, NASA says. That's if the weather...
  • Total lunar eclipse Saturday morning: Watch it live, right here

    There's a total lunar eclipse coming in the early hours of Saturday morning, and you can watch it live, right here. Be forewarned: The eclipse is not at an especially convenient time for sky watchers on the West Coast. The moon begins to move into the...
  • Look up! Brief total lunar eclipse to grace the sky Saturday

    Look up! Brief total lunar eclipse to grace the sky Saturday
    LOS ANGELES (AP) — Don't blink. There's a total eclipse of the moon Saturday — and it's an unusually short one. If there are clear skies, the 3 1 / 2-hour spectacle is visible from start to finish from the western U.S. and Canada where it...