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Constellations
Cygnus the Swan flies along the Milky Way
Cygnus the Swan is a constellation that lies in front of the starlit band of the Milky Way. Its brightest star, Deneb, is part of the Summer Triangle.
June 12, 2026
Tonight
Mercury is farthest from the sunset on June 15
The innermost planet, Mercury, will be 18 degrees from the sun at greatest elongation at 18 UTC on February 19. Look for it shortly after sunset near Venus.
June 12, 2026
Earth
El Niño is officially here! How strong will it get?
NOAA's National Weather Service said on June 11, 2026, that El Niño has arrived. It's likely to strengthen and could become a super El Niño.
June 11, 2026
Space
Dark matter: How new telescopes might help us find it
New telescopes might bring scientists closer to detecting dark matter. They could soon reveal signals that finally let us understand this mysterious substance.
June 11, 2026
Space
Comet 3I/ATLAS has methane, unexpected discovery reveals
New analysis of data from the Webb space telescope shows that Comet 3I/ATLAS has methane. This shows its origin is different from comets in our solar system.
June 11, 2026
Earth
Severe weather threat upgraded today for Midwest
Severe weather is expected Thursday across the Midwest and Great Lakes region. Tornadoes, destructive wind and large hail are possible.
June 11, 2026
Astronomy Essentials
Tonight
Visible planets and night sky guide for June
Visible planets and night sky guide. Look for dazzling Venus and bright Jupiter in the western sky after sunset. You might see Mercury, too.
June 11, 2026
Sun
Sun news: Auroral enhancements last night, more auroras possible tomorrow
Sun news for June 12, 2026: A surprising G1 (minor) geomagnetic storm late yesterday. More G1 and G2 storms anticipated tomorrow and during the weekend.
June 11, 2026
Tonight
Earliest sunrises come before the summer solstice
If you live in the Northern Hemisphere, your earliest sunrises of the year are happening around now. Earliest sunsets are in the Southern Hemisphere.
June 11, 2026
Earth
What is airglow? This glowing light is not an aurora
Airglow is a light that occurs high in Earth's atmosphere. It's usually too dim to see with the eye, but photographers can capture glorious photographs of it.
June 11, 2026
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