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Sun
Sun news: Sun-stuff arrives, with more on the way
Sun news October 3, 2026: The first CME arrived with only a mild disturbance. But fast coronal hole wind and a second CME could still bring G1 storms!
October 3, 2026
Space
Is this an alien radio signal from a super-Earth exoplanet?
Did China's FAST radio telescope detect an alien radio signal coming from the super-Earth exoplanet K2-155 d? Probably not.
October 2, 2026
Space
Could an Earthlike planet with 2 stars be nearby?
A new astronomical model has found that an Earthlike planet could have a stable and potentially habitable orbit around a star in a nearby 2-star system.
October 2, 2026
Human World
October birthstone: Colorful opal and tourmaline
Take your pick: the October birthstone is either the striking iridescent opal or the many-colored tourmaline. Learn the lore of these pretty gemstones here.
October 2, 2026
Astronomy Essentials
Tonight
Visible planets and night sky guide for October
Visible planets and night sky guide. Look for the 3rd quarter moon tomorrow morning. And Venus is disappearing for now. Watch a video here.
October 2, 2026
Space
Life on Enceladus? 2 new studies boost chances
Is there life on Enceladus? Two new studies show that the chances for life in the ocean of this Saturn moon are even greater than once thought.
October 1, 2026
Earth
And the Fat Bear Week winner is … Backpack!
Congrats to Backpack, the winner of Fat Bear Week 2026! Take a look at the final brackets and see where your favorite fatties fell.
October 1, 2026
Earth
What are the world’s loudest birds? Here are 2 contenders
Researchers at the University of Massachusetts Amherst said the bare-throated bellbird and red-legged seriema are 2 contenders for world's loudest birds.
October 1, 2026
Astronomy Essentials
Stargazing tips! 10 great tips for beginning astronomers
If you're new to observing the night sky, check out our top 10 stargazing tips for beginners. We'll help you explore and expand your love for astronomy.
October 1, 2026
Space
JUICE mission completes flyby of Earth: New pics!
The JUICE mission made a successful flyby of Earth on September 28. See new images of Earth and the moon here. The spacecraft will reach Jupiter in 2031.
September 30, 2026
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