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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 1-11
  • Leonard Nimoy leaves legacy beyond science-fiction

    Leonard Nimoy didn't just leave a lasting impression on the science-fiction world, he also left his mark on science itself. Seth Shostak, who researches the possibility of real-world extraterrestrial life as the senior astronomer at SETI Research,...
  • Scientists shocked by far-out star clusters on fringes of Milky Way

    Scientists shocked by far-out star clusters on fringes of Milky Way
    High above the spiral Milky Way, astronomers have spotted two clusters of new stars growing at the fringes of our galaxy. The discovery, published in the journal Monthly Notices of the Royal Astronomical Society, appears to be the first such stellar...
  • 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...
  • 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...
  • For Colorado stargazers, winter offers portal to space

    Even to the naked eye, the night sky over Palmer Park plays out ancient battles. To the east, Orion the Hunter readies a blow so vivid on this particular evening that his outline can be traced with a finger. Beside Orion, his quarry: Taurus the Bull,...
  • Life on Europa? Scientists ponder the possibilities

    MOUNTAIN VIEW, Calif. When Galileo viewed Jupiter through his telescope in 1610, he saw four dim objects near it that he assumed were stars. Repeated observations revealed that these "stars" orbited Jupiter like our own moon circles Earth. Thus began over...
  • 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...
  • Ceres: Dwarf planet is pocked with craters, NASA's Dawn spacecraft shows

    Ceres: Dwarf planet is pocked with craters, NASA's Dawn spacecraft shows
    NASA’s Dawn spacecraft has snapped the best images to date of the dwarf planet Ceres, bringing mysterious fuzzy features spotted on the icy little world’s surface into sharper focus. The latest images were snapped on Feb. 12, when Dawn was...
  • Chicago native to join Astronaut Hall of Fame

    Chicago native to join Astronaut Hall of Fame
    As if being an astronaut isn't cool enough, John Grunsfeld will soon join Neil Armstrong and Buzz Aldrin in the elite band of space explorer legends. After five space shuttle missions, the Chicago native and Highland Park High School graduate will be...
  • Heart of darkness: Scientists probe dark matter near Milky Way's core

    Heart of darkness: Scientists probe dark matter near Milky Way's core
    Even though scientists have managed to quantify how much dark matter lurks in distant galaxies, astronomers have been hard-pressed to figure out how much of the mysterious stuff lies within our own. But in a paper published in the journal Nature...
  • Should we call the cosmos seeking ET? Or is that risky?

    Astronomers have their own version of the single person's dilemma: Do you wait by the phone for a call from that certain someone? Or do you make the call yourself and risk getting shot down? Instead of love, of course, astronomers are looking for alien...