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.
Astronomy Essentials
Annular solar eclipse today! See a ring of fire
Today, an annular solar eclipse will cross over parts of South America, the Pacific Ocean, the Atlantic Ocean, and Antarctica. Watch a livestream here.
October 2, 2024
Tonight
Visible planets and night sky guide for October
Visible planets and night sky guide for October 2024. Join us today, Wednesday 2, beginning at 12:15 p.m. central (17:15 UTC), to see a ring of fire eclipse!
Sun
Sun news October 2: Huge X flare! Snap, Crackle, Pow
Sun news update for October 2, 2024. AR3842 blasted an X7.1 flare to keep activity at high levels. A small associated CME is expected to reach Earth on Oct. 5.
October 2, 2024
Space
A striped ‘zebra rock’ on Mars and a new Mars face
NASA's Perseverance rover has found an unusual striped 'zebra rock' on Mars unlike any rocks seen before. How did it form and how did it get there?
October 2, 2024
Space
Barnard’s Star has 1 planet, maybe more, at last!
Astronomers have confirmed a small exoplanet orbiting Barnard's star, the closest single star to our sun. There are hints of at least 3 more planets as well.
October 1, 2024
Space
Remember when DART struck an asteroid? HERA is the follow-up
The Hera mission is scheduled to launch on October 7, 2024. Hera will explore Dimorphos, which the DART mission hit as a test of planetary defense in 2022.
October 1, 2024
Space
Are the Andromeda and Milky Way galaxies already merging?
Researchers studying the fastest stars in the Milky Way galaxy believe some of them may come from the nearby Andromeda galaxy.
October 1, 2024
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 1, 2024
Space
Wow! Another one! Big new sungrazer comet could get SUPER-bright
A big new sungrazer comet - C/2024 S1 (ATLAS) - could get super-bright. It may even be bright enough to see in daylight in late October and early November.
September 30, 2024
Spaceflight
LIVE MONDAY: SpaceX and Space Race 2.0 with Eric Berger
Join EarthSky's Dave Adalian LIVE at 12:15 p.m. central (17:15 UTC) on September 30. He'll be chatting with Eric Berger, senior space editor at Ars Technica.
September 30, 2024
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
