Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Sun
Sun news: Geomagnetic storm arrived today!
Sun news October 22, 2026: The G1 storm arrived a day late, hitting Kp 5! Did you catch the auroras? A second coronal hole’s fast wind is due October 24.
October 22, 2026
Space
Lucy mission to Trojan asteroids: 5 years of discoveries
NASA’s Lucy mission is now less than a year from reaching the Trojan asteroids near Jupiter. And it has already made some exciting discoveries along the way.
October 22, 2026
Constellations
Cassiopeia and Perseus on October evenings
Cassiopeia and Perseus are neighbors in the autumn sky. Use Cassiopeia's distinctive W or M shape to locate the dimmer Perseus on autumn and winter evenings.
October 22, 2026
Space
Surprising colors of white dwarf stars revealed for 1st time
Astronomers in the U.K. have found that the true colors of white dwarf stars can vary greatly. They even found the 1st known green star.
October 21, 2026
Space
Euclid was mapping the universe. Then it found a comet
The Euclid space telescope made an accidental comet discovery as it searched the universe for evidence of dark matter and dark energy.
October 21, 2026
Astronomy Essentials
Tonight
Visible planets and night sky guide for October
Visible planets and night sky guide. The moon hangs near Fomalhaut tonight. And see a video today at noon CDT (17:00 UTC) about the ancient origin of Halloween.
October 21, 2026
Favorite Star Patterns
Pegasus is a baseball diamond! Just in time for the World Series
The Great Square of Pegasus is tilted to look like a baseball diamond in October, as if to celebrate baseball's World Series.
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
It’s official! Chiricahua is now the 64th US national park
On October 20, 2026, Chiricahua National Park in the southeastern corner of Arizona became the U.S.'s 64th national park.
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
Subscribe now! A daily update with Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Space
View All
Astronomy Essentials
View All
Earth
View All
Human World
View All
