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Find the Keystone in Hercules, and the Hercules Cluster M13
Let the bright star Vega guide you to a famous star pattern in Hercules - called the Keystone - and then to the Hercules Cluster, aka M13.
May 19, 2026
The binturong is a strange mammal that smells like popcorn
The binturong is a strange mammal that smells like popcorn, lives high in the trees and quietly helps tropical forests grow.
May 18, 2026
Severe weather, tornadoes possible Sunday and Monday
Severe weather, tornadoes are possible across parts of the U.S. Sunday and Monday, May 17 and 18, 2026. Plus large hail, damaging wind gusts.
May 17, 2026
Which moon phase is best for stargazing? That depends.
Which moon phase is best for stargazing? Most astronomers would tell you that the best moon is no moon. But it depends on what you want to see.
May 17, 2026
Stardust in Antarctica shows Earth crossed a supernova cloud
Stardust in Antarctica reveals the presence of an element that is not naturally made on Earth. But it is created in supernovas. Read more about the evidence.
May 15, 2026
Apex of the sun: Look to Vega in May
Apex of the sun shows the direction our solar system moves through space, toward the bright star Vega in the May night sky.
May 15, 2026
Baily’s beads seen during a solar eclipse today in 1836
May 15, 1836: Francis Baily, an English astronomer, saw light shining through lunar ridges during an eclipse of the sun. These are now known as Baily's beads.
May 15, 2026
Perseverance rover takes its 6th-ever selfie on Mars
The Mars Perseverance rover has snapped a new selfie. It has also shared a panorama of the landscape, providing a map of where it will explore next.
May 14, 2026
The Denali sled dog puppy cam is now live!
The Denali sled dog puppy cam is now live! Watch this year's recruits tumble and play in Alaska at the Denali Kennels. Read more about the sled dogs here.
May 14, 2026
The Southern Cross: your guide to due south
There's no bright star marking due south from the Southern Hemisphere. But the Southern Cross points the way.
May 14, 2026
