Space
See the Martian spiders of Inca City in new images
Martian spiders? Inca City? Both geologic features on Mars. The European Space Agency (ESA) just released new images of them. Take a look!
Brightest Stars
Sun
Sun news May 1: Almost X flare! More to come?
Sun news for May 1, 2024. Almost X flare! AR3654 produced an M9.5 flare - just shy of an X flare - living up to its potential.
Today's Image

Deep-sky photos for April 2024: Editor’s picks

Enjoy this gallery of deep-sky photos for April 2024 from our EarthSky community. And if you have a great photo to share, send it in. We love to see them!
Astronomy Essentials
Tonight

Visible planets and night sky guide for May

Visible planets and night sky guide for May 2024. Look for Mars and Saturn before dawn in the morning sky. Mars is reddish and Saturn is golden.
Astronomy Essentials
Human World

Happy May Day! Today is an astronomy holiday

Happy May Day! This annual celebration has its roots in astronomy as 1 of 4 cross-quarter days. Dancing around a maypole is a traditional May Day celebration.
Astronomy Essentials

2024 Eta Aquariid meteor shower: All you need to know

May's Eta Aquariid meteor shower has a broad peak and is often good over several mornings. Watch on May 5 and 6 in the hours before dawn.
Space

Eta Aquariid meteors are richer from the Southern Hemisphere

The Eta Aquariid meteor shower is better in the Southern Hemisphere because sunrise comes later in May, where it's now autumn and they are moving toward winter.
Spaceflight

List of SpaceX Starlink launches for May 2024

Get a list of all the SpaceX Starlink launches for May 2024 from both the West and East Coasts. Find out how to watch the livestream here.
Astronomy Essentials

Meteor shower guide 2024: Up next the Eta Aquariids

The Eta Aquariid meteor shower will be best before dawn on May 5 and 6. You'll have dark skies to watch the Eta Aquariids. Your 2024 meteor shower guide here.
Spaceflight

List of SpaceX Starlink launches for April 2024

Here's a list of all the SpaceX Starlink launches for April 2024 from both the West and East Coasts. Plus, learn more about Starlink.