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Another wave of bird extinctions in the Americas?
Several bird species are taking their final bows on the global evolutionary stage, and winking out. The situation in northeast Brazil is particularly dire.
April 11, 2016
Moon occults Aldebaran on April 10
Most of us won't see the occultation, but we'll see Aldebaran exceedingly close to the moon on April 10, 2016.
April 10, 2016
Planet 9 not affecting Cassini at Saturn
"Although we'd love it if Cassini could help detect a new planet, we don't see any perturbations in our orbit that we cannot explain with our current models," said Cassini project manager Earl Maize.
April 9, 2016
Supermassive black holes everywhere?
A near-record supermassive black hole discovered in a sparse area of the local universe suggests these monster objects might be more common than once thought.
April 9, 2016
Moon, Mercury, Aldebaran on April 9
As darkness falls, look for the waxing crescent moon in between the star bright reddish star Aldebaran and the planet Mercury.
April 9, 2016
Crab Nebula
Visible only through telescopes, the Crab Nebula - aka M1 - is all that remains of a cataclysmic supernova explosion that lit the daytime sky in A.D. 1054.
April 9, 2016
Laser cloaking to hide Earth from aliens?
If we wanted to hide Earth from alien civilizations, could we do it? Apparently, we could, according to new work by two scientists at Columbia University.
April 8, 2016
Young moon and Mercury after sunset
In the Northern Hemisphere? If so, you have a chance of catching the young moon and planet Mercury in the west after sundown.
April 8, 2016
Closest new moon of 2016 on April 7
April 7 moon turns new six hours before perigee - closest point to Earth. We won't see it, but it counts as a supermoon and will affect ocean tides.
April 7, 2016
This ancient arthropod kept its babies on a leash
Scientists have discovered a tiny 430-million-year-old sea creature - dubbed Kite Runner - that apparently dragged its offspring around on strings like kites.
April 7, 2016
