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Strange case of M82 X-1: A rare midsize black hole
A black hole candidate known as M82 X-1 appears to have a mass of about 400 suns, making it one of only half a dozen suspected midsize black holes.
August 19, 2014
Video: Our Curiosity
A video love letter to the Curiosity rover on Mars, narrated by Neil DeGrasse Tyson and Felicia Day.
August 18, 2014
New video of Pluto and giant moon Charon
NASA's Pluto-bound New Horizons spacecraft created this new video of stills taken of the Pluto-Charon system over five days last month.
August 16, 2014
First dust grains from beyond our solar system
A collector dropped to Earth by the Stardust spacecraft may have contained the first known contemporary dust grains from outside our solar system.
August 14, 2014
Watch clouds move over a methane sea on Titan
NASA has released an animation of methane clouds moving above a hydrocarbon sea on Saturn's large moon, Titan.
August 13, 2014
A new way to search for exomoons
We now know more than 1,800 exoplanets - worlds orbiting distant suns - but zero exomoons. UT Arlington physicists propose a new way to search for them.
August 12, 2014
The eye of Saturn
Like a giant eye, the great vortex at the north pole of planet Saturn stares back at the Cassini spacecraft as Cassini stares at it.
August 12, 2014
Video: Colliding atmospheres of Mars and Comet Siding Spring
Martian auroras? Maybe a meteor shower? What Mars satellites might see when Comet Siding Spring sweeps super close to Mars this October.
August 11, 2014
Video: Rosetta’s race to map its comet
Last week, Rosetta became the first spacecraft ever to rendezvous with a comet. Now the spacecraft is in a race against time. Rosetta's next challenges, here.
August 11, 2014
Perseid meteors versus the supermoon
Which is brighter - Perseid fireballs or a supermoon? You'll find out as the year's biggest, brightest full moon arrives as Perseid meteor shower starts to peak.
August 10, 2014
