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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 12-22
  • 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...
  • Wesleyan Hosting Free Weekly Astronomy Sessions In Middletown

    MIDDLETOWN — The Wesleyan University astronomy department for the spring semester is offering free public space viewing and science presentations every Wednesday night. Wesleyan professors and astronomy students will guide the weekly sessions in an...
  • Asteroid to make near-Earth pass Monday night

    Asteroid to make near-Earth pass Monday night
    A mountainous asteroid will make a near-Earth pass Monday night, giving us a preview of an event that could have our descendants sweating, the Los Angeles Times reports. Asteroid 2004 BL86, about five football fields wide, will come within 745,000 miles...
  • Asteroid swings very near Earth: Are you up for a midnight viewing?

    Asteroid swings very near Earth: Are you up for a midnight viewing?
    An asteroid five football fields wide will make a near-Earth flyby on Monday, and you may be able to see it at the witching hour with a pair of strong binoculars. Late Monday -- particularly at midnight -- will be prime time for trying to catch a...
  • You still can get great view of Jupiter tonight

    You still can get great view of Jupiter tonight
    With clouds and rain blurring the sky, it wasn't easy to see Jupiter on Friday night, when it drew closest to Earth and was on the opposite side of the sky from the sun. But you still can get a great view of the solar system's largest planet on Saturday...
  • NASA's New Horizons spacecraft zooms in on Pluto

    Pluto, get ready for your close-up. After traveling nine years across more than 3 billion miles of space, a spacecraft the size of a grand piano is about to give humanity its first high-resolution view of the dwarf planet that's about two-thirds the...