Space
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Space
Moon shrinks
New pictures expand evidence of the moon’s shrinkage over the past billion years.
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Planetary Science
Worldwide slowdown in plant carbon uptake
A decade of droughts has stifled the increasing growth of terrestrial vegetation.
By Sid Perkins -
Space
Mining for Missing Matter
In underground lairs, physicists look for the dark stuff.
By Ron Cowen -
Astronomy
Celestial wish list
A panel of astronomers ranks proposed astrophysics projects for the coming decade.
By Ron Cowen -
Space
Twinkle, twinkle, little dot
A faint object was once thought to be the first extrasolar planet to be photographed. Then it wasn’t. But now it may go down in the history books after all.
By Ron Cowen -
Tech
The people’s pulsar
Thousands of volunteers help discover a neutron star by donating the processing power in their idle home computers.
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Space
All wet, or high and dry?
The moon’s interior contains far less water than Earth’s, new studies of rocks collected by Apollo astronauts suggest.
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Space
Dark matter eldorado
Astronomers have discovered that a nearby galaxy has the highest density of dark matter of any galaxy known.
By Ron Cowen -
Earth
Trailing dust devils
Whirlwinds leave dark paths behind by sucking sand grains clean.
By Sid Perkins -
Astronomy
Heftiest stars discovered
At more than 200 times sun’s mass, this giant sets a new record.
By Ron Cowen