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Astronomy Essentials
Tonight
Visible planets and night sky guide for May
Visible planets and night sky guide. This is a great week to watch the sky! See the moon between blazing Venus and bright Jupiter shortly after sunset.
May 19, 2026
Space
Interstellar turbulence in the Milky Way distorts light
For the 1st time, astronomers have directly detected how interstellar turbulence distorts the light from distant objects in our galaxy.
May 19, 2026
Sun
Sun news: Is recent sun-stuff grazing Earth?
Sun news for May 19, 2026: Coronal mass ejection glancing blow arrives as solar wind climbs. Minor geomagnetic storm possible today; auroras plausible!
May 19, 2026
Tonight
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
Earth
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
Earth
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
Tonight
Venus-Jupiter conjunction in June: Start watching now!
Get ready for a spectacular Venus-Jupiter conjunction! You can already start watching the planets now after sunset. The big event happens on June 8 and 9.
May 17, 2026
Tonight
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
Space
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
Tonight
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
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