A daily update by email. Science news, great photos, sky alerts.
This pretty sprinkling of bright blue stars is the cluster NGC 2547, a group of recently formed stars in the southern constellation of Vela (The Sail).
Astronomers discovered the asteroid yesterday. It might enter Earth's shadow in the next few hours and pass slightly more than half the moon's distance a few hours after that.
Ocean Alliance research vessel Odyssey - offshore in the Gulf of Mexico in summer 2011 - reports on its work studying effects of the Gulf oil spill.
Phaethon is a weird asteroid that behaves like a comet. It's also responsible for the Geminid meteor shower. Find out how it does so, here.
Enjoy this gallery of deep-sky photos for August 2024 from our EarthSky community. If you have a great photo to share, send it in too. We love to see them!
Scientists in Australia have discovered a huge donut-shaped region in Earth's core. The finding provides new clues about the dynamics of Earth's magnetic field.
Sun news for September 6: Big blast on the sun's far side! Meanwhile, AR3807 keeps activity at moderate. Join our livestream at 12:15 CDT (17:15 UTC) today!
A small asteroid harmlessly hit Earth's atmosphere above the northern Philippines around 16:39 UTC on September 5, 2024. Watch the videos of the event here!
About 4 billion years ago, a huge asteroid - 20 times larger than Earth's dinosaur-killer - struck Jupiter's moon Ganymede and tilted its orientation.
The Andromeda galaxy is the closest big galaxy to our Milky Way. At 2.5 million light-years, it's the most distant thing you can see with the eye alone.
Landslide-triggered tsunamis due to melting glaciers and permafrost are becoming more common with global warming. Read more about Alaska and Greenland.
Astronomers with the Event Horizon Telescope Collaboration have developed a new technique that will produce direct black hole images with 50% better resolution.
Meerkats are adorable mammals you can't help but love. They live in groups and take care of each other, especially the cubs and the sick members.
Don't miss Saturn at opposition on and around the night of September 8, 2024. That's when our planet Earth passes between the sun and Saturn.
If you want to see Saturn's rings, September 2024 is a great time to look. Grab a telescope, find a dark sky and read the tips found here!
Pioneer 11 was the 1st spacecraft to encounter Saturn. A true pioneer, it paved the way for the 2 Voyagers in 1980 and 1981 plus Cassini from 2004 to 2017.
Learn what virga is and how it forms, and see great photos to help you learn how to identify it yourself! Plus, learn if radar can pick up virga.
Get a list of the SpaceX Starlink launches for September 2024 from both the West and East Coasts. Find out how to watch the livestream, and get updates, too.
The Draconids will be best before dawn around the nights of October 7-8. Your 2024 meteor shower guide here. Under dark skies you might catch about 10 per hour.
Get a list of all the SpaceX Starlink launches for August 2024 from both the West and East Coasts. Find out how to watch the livestream, and get updates, too.