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Sep 16, 2014 08:00 AM ET // Ian O'Neill
NASA's New Horizons spacecraft may still be 10 months from its historic flyby with dwarf planet Pluto, but it is making good use of its interplanetary cruise to get familiar with its flyby target by imaging Pluto's outermost moon Hydra. Continue reading →
Sep 16, 2014 07:00 AM ET // Joe Rao, SPACE.com Skywatching Columnist
On these late-summer evenings after the sun has set, look low in the southern sky for the classical Archer: the constellation Sagittarius.
Sep 16, 2014 06:00 AM ET // Rod Pyle, SPACE.com
NASA is staunchly defending the science plans for its flagship Mars rover Curiosity in the wake of a recent senior-level review that at times harshly criticized the mission's science operations.
Sep 15, 2014 04:18 PM ET // Ian O'Neill
In new observations beamed back from a NASA Mars orbiter, an example of transverse aeolian ridges has provided a clue as to how this strange wind-blown feature evolved. Continue reading →
Sep 15, 2014 10:00 AM ET // Elizabeth Howell, Space.com
The United States military's high-technology branch is hoping to test out on-orbit satellite servicing in orbit in the next five years.
Sep 15, 2014 08:20 AM ET // Irene Klotz
An international team working on an unprecedented mission to orbit and land on a comet will attempt a touchdown on the smaller of the comet’s two lobes, a site tentatively named 'J', Rosetta scientists announced on Monday.
Sep 15, 2014 07:11 AM ET // Ian O'Neill
A hole-in-one would be a memorable event for anyone, but for English golfer Andy Sullivan, it was a stroke of luck that turned into a once-in-a-lifetime opportunity -- a suborbital joyride. Continue reading →
Sep 12, 2014 10:12 PM ET // Ian O'Neill
Over the past 24 hours, our planet's global magnetic field has been bombarded by two coronal mass ejections (CMEs) and now, as predicted, a "strong" geomagnetic storm is underway. Continue reading →
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