Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Rainbow over Ciudad Juárez, Mexico
We usually see photos from photographer Josh Blash from the Atlantic coast, up around New Hampshire. This photo of Juárez - in the Chihuahuan Desert - was a delightful surprise.
August 4, 2017
Earth’s eclipses are special
Solar eclipses aren't exclusive to Earth, but eclipses viewed from our planet have few rivals in the solar system. A word about Earth's solar eclipses, and what eclipses would be like on other planets, here.
August 3, 2017
To restore soils, feed the microbes
Healthy soil teems with bacteria, fungi, viruses and other microorganisms that help store carbon and fend off plant diseases.
August 3, 2017
Morning tranquility
Yuri Beletsky captured this scene from the Australian east coast, with Venus, the constellation Orion, and the Pleiades and Hyades star clusters shining in all their glory.
August 3, 2017
Watch for Cassiopeia the Queen
Find the constellation Cassiopeia the Queen in the northeastern sky after sundown. Depending on your perspective look for the telltale shape W or M.
August 3, 2017
Sun’s core rotates 4x faster than surface
Eureka! After decades of puzzling about whether the sun's core spins faster than its surface, astronomers can now measure it.
August 2, 2017
Lots of water inside the moon?
Researchers have detected widespread water within ancient volcanic deposits on the moon.
August 2, 2017
Anticrepuscular rays with rainbow
These 2 sky phenomena - anticrepuscular rays and rainbows - can appear separately. In this case, they appear together, both originating from the same source, the sun, on the opposite side of the sky.
August 2, 2017
Identify Saturn near moon on August 2
On August 2, 2017, use the moon to locate the ringed planet Saturn as darkness falls. Miss 'em tonight? Try again tomorrow night.
August 2, 2017
No Earth-like atmosphere for Proxima b
It's the nearest exoplanet and in its star's habitable zone. But a new study suggests radiation from its star would drain an Earth-like atmosphere 10,000 times faster than on Earth.
August 1, 2017
