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Milky Way over Frosty Drew Observatory
The starry band of the Milky Way before dawn in early May. Add in a chorus of wildlife, and you have a stargazing experience to remember.
May 7, 2017
Where is the Milky Way on May evenings?
On May evenings, the disk of our Milky Way galaxy lies flat, nearly parallel to the plane of your horizon.
May 7, 2017
Why did Tsavo lions eat people?
In 1898, a pair of lions ate 135 people at a railroad camp in Kenya. Scientists have analyzed microscopic wear on the lions' teeth to find out why.
May 6, 2017
Sunrise sundog
Karl Diefenderfer captured this sundog on his way into work Thursday morning in Washington Crossing, Pennsylvania.
May 6, 2017
Moon, Jupiter, Spica on May 6-8
It'll be a grand procession of celestial bodies. The moon and Jupiter are the evening sky's brightest objects. The star Spica is also bright and noticeable nearby.
May 6, 2017
X-ray tsunami in Perseus galaxy cluster
Not so very long ago or far away in astronomical terms, a near-miss between titanic galaxy clusters might have set into motion an immense wave of hot gas.
May 5, 2017
An early Eta Aquarid meteor
Eliot Herman in Tucson has an automatic camera set-up that catches many meteors. He caught this one Wednesday morning.
May 4, 2017
What happens in 1 minute
Just for fun, take 60 seconds to check out this new video from the guys at AsapSCIENCE.
May 4, 2017
Earth clouds from space
New from NASA, a short video tour of unusual and beautiful clouds observed from space.
May 4, 2017
Venus rising at dawn
While you're watching for meteors Friday and Saturday mornings, watch for Venus, too. It's very bright and ascending in the east at dawn. Photo by Steve Scanlon Photography.
May 4, 2017
