Lights out for birds during spring migration!

Sun news for May 11, 2026: An M5.8 (moderate) flare erupts from AR4436! A G1 (minor) storm and auroras are possible midweek. Stay alert!

Researchers have found that outer solar system object 2002 XV93 is a tiny world with an atmosphere. How does such a small object have an atmosphere?

Small ants clean larger ants, a researcher has discovered. It’s the first known case of interspecies grooming between ants.

Stardust in Antarctica reveals the presence of an element that is not naturally made on Earth. But it is created in supernovas. Read more about the evidence.

Visible planets and night sky guide. See the moon near bright Jupiter and blazing Venus shortly after sunset this evening. And join us for an exciting video!

The 1st May full moon happens on May 1. It’ll look full on the nights before and after that, too. The 2nd May full moon – a Blue Moon – will fall on May 30-31.