Today's Image
Perseverance rover takes its 6th-ever selfie on Mars
The Mars Perseverance rover has snapped a new selfie. It has also shared a panorama of the landscape, providing a map of where it will explore next.
Astronomy Essentials
Tonight
Visible planets and night sky guide for May
Visible planets and night sky guide. Tomorrow before sunrise, the very thin waning crescent moon will hang near the horizon, close to Mars and Saturn.
Sun

Sun news: Auroras on the way this weekend?

Sun news for May 14, 2026: A huge coronal hole is currently sending its fast solar wind at Earth. G2 (moderate) storms and auroras possible this weekend!
Earth

The Denali sled dog puppy cam is now live!

The Denali sled dog puppy cam is now live! Watch this year's recruits tumble and play in Alaska at the Denali Kennels. Read more about the sled dogs here.
Favorite Star Patterns

The Southern Cross: your guide to due south

There's no bright star marking due south from the Southern Hemisphere. But the Southern Cross points the way.
Favorite Star Patterns

How to see the Southern Cross from the Northern Hemisphere

The Southern Cross can be seen from the Northern Hemisphere, as long as you're below 26 degrees north and know when and where to look!
Space

Skylab – America’s 1st space station – 53 years later

Skylab was America's 1st space station. 3 crews lived and worked there for over 171 days, studying the sun and Earth and setting records for life in space.
Space

Will Pluto become a planet again? The ongoing debate

Will Pluto become a planet again, or remain a dwarf planet under current definitions? Scientists still disagree nearly 2 decades after its reclassification.
Space

Brown dwarf population doubles to more than 6,000

Volunteers combing through years of space images have made discoveries that double the brown dwarf population. And you can join in the search!
Earth

When the asteroid killed the dinosaurs: Blow-by-blow account

What happened when the asteroid killed the dinosaurs some 66 million years ago? Read a blow-by-blow account of what the dinosaurs underwent.