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Your search has returned 1522 articles:
  • The Science Life

    Meet one of the first scientists to see the historic black hole image

    It’s hard to say which scientist was the first to set eyes on the glowing ring that makes up the world’s first image of a black hole. But astrophysicist Kazunori Akiyama was certainly one of the earliest.

    The image, released to the public on April 10, revealed the dark shadow of the supermassive black hole encircled by swirling gas at the center of the galaxy M87 (SN Online: 4/10/19)....

    04/11/2019 - 16:02 Astronomy, Physics
  • News

    How scientists took the first picture of a black hole

    Black holes are extremely camera shy. Supermassive black holes, ensconced in the centers of galaxies, make themselves visible by spewing bright jets of charged particles or by flinging away or ripping up nearby stars. Up close, these behemoths are surrounded by glowing accretion disks of infalling material. But because a black hole’s extreme gravity prevents light from escaping, the dark...

    04/10/2019 - 09:57 Astronomy, Physics, Technology
  • News

    All you need to know about the history of black holes

    Black holes have been beguiling from the very beginning.

    Hinted at as early as the 1780s and predicted by Einstein’s general theory of relativity, they didn’t get the name we know today until the 1960s. Bizarre beasts that squash gobs of matter into infinitely dense abysses, black holes were once thought to be merely a mathematical curiosity.

    But astronomers tallied up evidence for...

    04/10/2019 - 09:14 Astronomy, Physics
  • News

    The first picture of a black hole opens a new era of astrophysics

    Editor's note: This story will be updated throughout the day as more information becomes available. 

    This is what a black hole looks like.

    A world-spanning network of telescopes called the Event Horizon Telescope zoomed in on the supermassive monster in the galaxy M87 to create this first-ever picture of a black hole.

    “We have seen what we thought was unseeable. We have seen...

    04/10/2019 - 09:10 Astronomy, Physics
  • Editor's Note

    The delight of discovering an asteroid that spits

    These are wondrous times for space exploration. Just when you think exploring the cosmos couldn’t possibly get more fun, another discovery delivers a new “oh wow” moment.

    Consider the asteroid Bennu. It’s an unprepossessing space rock that drew scientists’ curiosity because it is among the most pristine objects in our solar system, and it might provide clues to the origins of life....

    04/07/2019 - 07:15 Science & Society, Astronomy, Planetary Science
  • News

    This planetary remnant somehow survived the death of its sun

    Against all odds, a small planetary body called a planetesimal has survived the infernal death of its sunlike star and now orbits the white dwarf that remains.

    When most planet-hosting stars run out of hydrogen fuel, they blow out their outer shells of gas, obliterating anything within their inner solar systems and leaving behind a dead star called a white dwarf. Planets orbiting farther...

    04/04/2019 - 14:00 Exoplanets, Planetary Science, Astronomy
  • News in Brief

    The LIGO and Virgo gravitational wave detectors are back on

    It’s open season in scientists’ hunt for gravitational waves.

    A trio of detectors are back on the lookout for the ripples in spacetime. And the newly souped-up machines could make this the most productive search yet.

    The two detectors of the Advanced Laser Interferometer Gravitational-Wave Observatory, LIGO, located in Hanford, Wash., and Livingston, La., and the Virgo detector,...

    04/01/2019 - 11:22 Physics, Astronomy
  • News

    4 things we’ll learn from the first closeup image of a black hole

    Editor's note: On April 10, the Event Horizon Telescope collaboration released a picture of the supermassive black hole at the center of galaxy M87. Read the full story here.

    We’re about to see the first close-up of a black hole.

    The Event Horizon Telescope, a network of eight radio observatories spanning the globe, has set its sights on a pair of behemoths: Sagittarius A*, the...

    03/29/2019 - 09:58 Astronomy, Physics
  • News

    X-ray ‘chimneys’ connect the Milky Way to mysterious gamma-ray bubbles

    Two towering “chimneys” glowing with X-rays extend from the center of the Milky Way. The newly discovered structures could help explain the source of two even larger features: giant bubbles that emit gamma rays, or high-energy light, found above and below the plane of the galaxy.

    Stretching hundreds of light-years, the X-ray chimneys seem to connect the gamma-ray bubbles to the center of...

    03/20/2019 - 14:00 Astronomy
  • News in Brief

    One of the strongest known solar storms blasted Earth in 660 B.C.

    One of the strongest solar storms ever to hurtle toward Earth blasted the planet in 660 B.C., researchers say, based on traces of the storm preserved in both ice cores and tree rings. The study was published online March 11 in Proceedings of the National Academy of Sciences.

    As the sun’s magnetic field shifts, it occasionally releases bursts of charged particles into space. In the most...

    03/11/2019 - 15:26 Astronomy