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Twin Jet Nebula
New Hubble Space Telescope image of a planetary nebula, created by two aging stars that have shucked off their outer layers, but still orbit each other.
August 27, 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
Graceful arc of Venus before dawn
Animation of the planet Venus, now returning to the east before dawn. The animation shows Venus in the morning sky from August 2015 through March 2016.
August 26, 2015
Rediscovering a rare South Pacific nautilus
In July, scientists spotted a rare South Pacific nautilus - considered to be one of the rarest animals on Earth - for the first time in three decades.
August 25, 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
No end in sight for western US wildfires
Satellite images capture the ongoing onslaught of wildfires in the U.S. West.
August 25, 2015
Nearby galaxy in Triangulum
This face-on spiral galaxy - Messier 33 aka M33 - is the second-closest spiral to our Milky Way at 3 million light-years away.
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
Global warming makes California drought worse
A new study suggests that natural forces are behind California’s drought, but that global warming has contributed 8-27% to the drought’s severity.
August 24, 2015
