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Double black hole powers nearby quasar
One black hole may be 4 million solar masses, about the same mass as our Milky Way's central black hole. The other may be 150 million solar masses.
August 31, 2015
New Horizons’ potential next flyby target
New Horizons will perform four maneuvers in October and November to veer toward 2014 MU69 - an object in the Kuiper Belt - aiming for a January 1, 2019 encounter.
August 30, 2015
Origin of Saturn’s F ring and shepherd moons
The F ring, Saturn's outermost ring, is perhaps the most active ring in our solar system, with features changing on a timescale of hours.
August 28, 2015
New images from Dawn mission to Ceres
Dawn spacecraft has now moved to within about 900 miles (1,500 km) from the dwarf planet Ceres. See some early images from its new, closer orbit.
August 28, 2015
Liquid water elsewhere in our solar system?
If so, where are we likely to find it? Could we ever get to it? Would we be able to drink it? A planetary geoscientist explains.
August 26, 2015
Cosmic neutrinos confirmed at South Pole
Researchers say these high-energy neutrinos come from sources beyond our Milky Way galaxy. They say the ability to discover them heralds a new form of astronomy.
August 25, 2015
Fire fountains on moon mystery solved
A new explanation for the driving force behind ancient fire fountain eruptions on the moon. Plus ... do some volatiles on the moon and Earth have a common origin?
August 24, 2015
Captures of elusive red sprites from ISS
Why are sprites elusive? It doesn’t help that they flash on millisecond timescales. Also, they're above thunderstorms, usually blocked from view on the ground.
August 24, 2015
Amazing views of Saturn’s icy moon Dione
The Cassini spacecraft made its final flyby of Saturn's moon Dione last week. Check out the spacecraft's final breathtaking close views.
August 24, 2015
No asteroid threatening Earth in September
Despite rumors, no asteroid threatens Earth. All known Potentially Hazardous Asteroids have less than a 0.01% chance of hitting Earth in the next 100 years, says NASA.
August 20, 2015
