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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
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
Meteor shower guide 2026: Up next … the Taurids
Up next are the North and South Taurid meteor showers. Check EarthSky's meteor shower guide here.
October 22, 2026
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
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
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
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
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
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
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
