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Space
Are dark galaxies hiding in the nearby universe?
New simulations suggest our nearby universe could contain many dark galaxies, containing dark matter but no stars. And our radio telescopes could detect them.
June 17, 2026
Space
Satellites swarm the night sky in this new video
Alan Dyer shared this new video as satellites swarm across the sky, obscuring the summer Milky Way. Read more about Alan's video here.
June 17, 2026
Astronomy Essentials
Tonight
Visible planets and night sky guide for June
Visible planets and night sky guide. Look west this evening after sunset for the young moon close to brilliant Venus. Jupiter and Mercury shine in the west, too.
June 17, 2026
Sun
Sun news: Fiery sunspot region departs from view
Sun news for June 17, 2026: The sun is taking a break, with very low flare activity. But a departing sunspot region in the southwest remained fiery.
June 17, 2026
Earth
Noctilucent clouds are back: Look for them now!
Noctilucent clouds are back. The season is underway! Learn about these stunning night-shining clouds and how to see them. Plus, see a gallery of them here.
June 17, 2026
Earth
Dinosaur-killing asteroid created an abode for life
Scientists have new evidence that the dinosaur-killing asteroid that struck Earth created a hydrothermal habitat that lasted for 8 million years.
June 16, 2026
Astronomy Essentials
Astro quiz: Test your night sky know-how here!
How well do you know the night sky? Test your know-how of stars, constellations and more with this fun astro quiz. Enjoy!
June 16, 2026
Tonight
The Crow, Cup and Water Snake in June skies
Use the bright star Spica to help you find the Crow, Cup and Water Snake. And learn the mythology behind these constellations.
June 16, 2026
Earth
Glowworms turn cave ceilings into underground starscapes
Glowworms turn dark New Zealand caves into beautiful starscapes all year round. They use their elegant but deadly displays to trap their prey.
June 15, 2026
Earth
Kilauea spawns a volcanic tornado, or volnado! See it here
On June 14, 2026, the Kilauea volcano in Hawaii produced a volnado, or volcanic-generated tornado. See videos of it here and check out the live cam.
June 15, 2026
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