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.
Space
Interstellar object 3I/ATLAS passed Mars last night
Interstellar object 3I/ATLAS swept closest to Mars at 11 p.m. CDT on October 2 (4 UTC on October 3). Read about plans to observe it with spacecraft.
October 3, 2025
Space
Moon-forming disk found around massive planet
Data from the Webb space telescope reveal that a massive planet around a distant star is encircled by a moon-forming disk.
October 3, 2025
Earth
Sun
Sun news: The geomagnetic storms are still going
Sun news for October 3, 2025: Fast solar wind from coronal holes drove strong geomagnetic storms this morning, with more disturbance forecast for tonight.
October 3, 2025
Astronomy Essentials
Tonight
Visible planets and night sky guide for October
Visible planets and night sky guide. This month is packed with skywatching treats. Watch this video preview with 5 must-see celestial events for October 2025.
October 3, 2025
Space
Rogue planet found growing at astonishing record rate
Astronomers have discovered a rogue planet eating up 6 billion tons of gas and dust every second. That's the fastest rate ever recorded for any planet.
October 2, 2025
Space
Auroras on rogue planet in a new alien weather report
Using the Webb space telescope, astronomers have observed auroras on rogue planet SIMP 0136. The giant starless world is about 20 light-years away from Earth.
October 2, 2025
Human World
Space
World Space Week is October 4 to 10. Find events here
World Space Week dates back to 1999 and runs every year from October 4 to 10. This year, the theme is living in space. Find events near you here.
October 2, 2025
Today's Image
See the best deep-sky photos of September 2025 here
Enjoy this gallery of deep-sky photos for September 2025 from our EarthSky community. If you have a great photo to share, send it in, too. We love to see them!
October 2, 2025
Earth
Are Humberto and Imelda undergoing the Fujiwhara effect?
Humberto and Imelda are “crowding” the Atlantic basin. They are relatively near each other. Humberto appears to be exerting a “pull” on Imelda.
October 1, 2025
Space
Astronomers find 2 galaxies linked by a huge gas bridge
Astronomers have discovered 2 dwarf galaxies linked by a colossal hydrogen gas bridge, which spans an enormous 185,000 light-years.
October 1, 2025
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
