Astronomy

  1. Planetary Science

    Planets stake their claim around infant star

    At the center of the newly released telescope image is HL Tau, a star located about 450 light-years away in the constellation Taurus. A dense disk of gas and dust surrounds the star, which is a youthful million years old.

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  2. Planetary Science

    Philae lander sent in a surprise before going to sleep

    The robotic probe that landed on comet 67P/Churyumov-Gerasimenko has beamed back some surprises about the icy boulder.

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  3. Astronomy

    Good night, Philae

    The Philae lander has depleted its batteries and gone into idle mode, probably drawing to a close the surface-based study of comet 67P/Churyumov-Gerasimenko.

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  4. Astronomy

    A still mysterious solar system

    Whether or not a Planet X exists, the puzzle, like a good mystery, delights the mind. But better than any novel, the puzzle’s solution has the potential to reveal something new and unexpected about our solar system.

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  5. Astronomy

    Philae lander reveals stunning, unsettling view of comet

    Concerns are surfacing about the Rosetta mission lander Philae’s ability to fully explore comet 67P/Churyumov-Gerasimenko.

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  6. Astronomy

    Philae lander image raises questions about probe’s health

    Early reports suggest that Rosetta's lander Philae bounced twice when landing on comet 67P/Churyumov-Gerasimenko.

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  7. Astronomy

    Rosetta mission lander set to explore surface of comet

    The Rosetta spacecraft’s minifridge-sized lander Philae is now on comet 67P/Churyumov-Gerasimenko and is beginning to study its geology and chemistry.

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  8. Planetary Science

    Philae lander touches down on comet 67P

    Rosetta’s lander Philae has reached the surface of comet 67P/Churyumov-Gerasimenko and is starting to do science.

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  9. Astronomy

    Philae lander is in free fall toward comet 67P

    The Rosetta spacecraft has nudged its lander Philae off its back toward the surface of comet 67P/Churyumov-Gerasimenko.

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  10. Astronomy

    Rosetta’s countdown to comet landing has begun

    Everything is on track for Rosetta mission scientists to attempt to set the Philae lander on the surface of comet 67P/Churyumov-Gerasimenko.

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  11. Planetary Science

    Rosetta prepares to let go of its comet lander

    To date, everything is a go for scientists to attempt to land a robotic probe on a comet.

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  12. Planetary Science

    Comet delivered a showy meteor shower — on Mars

    Comet Siding Spring dumped several tons of material into the Martian atmosphere that could have damaged NASA spacecraft.

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