Space

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We summarize the week's scientific breakthroughs every Thursday.

  1. Space

    A new look at the gamma-ray sky

    Explosions pouring out as much energy in seconds as the sun does in its entire lifetime. Invisible beams of radiation sweeping across the sky like giant searchlights. Supermassive black holes emitting powerful and highly variable jets of radiation. GAMMA GLOW Simulation of the high-energy sky that will be seen by GLAST. Sonoma State, NASA The […]

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  2. Space

    Flooring the cosmic accelerator

    If cosmologist Will Percival of the University of Portsmouth in England is right, the universe will end about 60 billion years from now, when every molecule and atom will be torn asunder by a mysterious entity that opposes gravity’s pull and turns it into a cosmic push.

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  3. Astronomy

    Honing the Hubble

    Astronomers are sharpening measurements of a familiar cosmic parameter to shed new light on dark energy, the mysterious entity that’s accelerating the universe’s rate of expansion.

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  4. Astronomy

    A Phoenix on Mars

    A new robotic lander will search the north polar region of Mars for habitability.

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  5. Space

    Supermassive black hole says sayonara

    Researchers have the first observational hint for the existence of an ejected supermassive black hole, fired by a gravitational rocket from the core of the galaxy in which it formed.

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  6. Astronomy

    Massive minis

    Astronomers have discovered a puzzling group of galaxies in the early universe that are as tiny as babies but as massive as full-grown adults.

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  7. Planetary Science

    Hop, skip and a jump

    Less gravity on Mars means wind-driven grains of sand travel up to 10 times faster than those blowing along Earth’s surface, new analyses suggest.

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  8. Space

    Searching for superEarths

    Astronomers are exploring a new family of planets beyond the solar system.

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  9. Space

    Battle over WIMPs goes another round

    Physicists haggle over WIMPS.

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  10. Space

    Black hole once glowed brightly

    More than 26,000 years ago, the Milky Way's central black hole suddenly but fleetingly increases its X-ray output.

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  11. Space

    Science Past

    From Science News Letter, May 10, 1958

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  12. Planetary Science

    BOOK LIST | Titan Unveiled

    Astronomer Lorenz and science writer Mitton provide the details of what we know so far about Saturn’s moon. TITAN UNVEILED Princeton University Press, 2008, 243 p., $29.95

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