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Sun
Sun news: Fast wind arrives, and more to come
Sun news October 21, 2026: Fast solar wind arrived but fell short of a G1 storm, peaking at Kp 4. A second coronal hole now faces Earth. More to come!
October 21, 2026
Constellations
Auriga the Charioteer and bright Capella on October evenings
Auriga the Charioteer is a north circumpolar constellation best viewed on autumn and winter evenings. Its star Capella is the 6th brightest star in the sky.
October 21, 2026
Earth
New clues to how infectious fungus Candida auris resists antifungals
Scientists have identified new resistance mechanisms used by the fungus Candida auris, paving the way for advances in antifungal treatments.
October 20, 2026
Astronomy Essentials
Orionid meteor shower 2026: All you need to know
The Orionid meteor shower is here! Find out where and when to look up with our charts and viewing tips.
October 20, 2026
Astronomy Essentials
Tonight
Visible planets and night sky guide for October
Visible planets and night sky guide. This evening, look for the moon near Capricornus. Plus the Orionid meteor shower is here!
October 20, 2026
Tonight
See brightest star, Sirius, in your morning sky
Out late at night or before dawn? Look for the sky's brightest star, Sirius, a brilliant beauty. You'll know it's Sirius if you see Orion's Belt pointing to it.
October 20, 2026
Earth
New dinosaur species identified from fossil stashed in drawer for a century
Researchers identified a new dinosaur species from a fossil on Isle of Wight in the UK. The carnivorous dino would have been as tall as a human.
October 18, 2026
Astronomy Essentials
Comet Halley is parent of 2 meteor showers
The famous comet Halley spawns both the October Orionid meteor shower and the May Eta Aquariid meteor shower. It'll return to the inner solar system in 2061.
October 18, 2026
Space
The MMX mission launches to Mars’ moons on Monday
The MMX mission launches October 19 to Mars’ moons Phobos and Deimos. It will collect a sample from Phobos and return it to Earth in 2031.
October 18, 2026
Astronomy Essentials
Inferior conjunction — Venus! October 23-24, 2026
Venus reaches inferior conjunction soon. It'll pass between Earth and the sun at 4 UTC on October 24. Then Venus emerges in the morning sky.
October 17, 2026
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