Posts by 

Deborah Byrd

Universe’s expansion rate: ‘Something doesn’t add up’

We think we understand the local universe's expansion rate. But measurements confirm a mismatch that could point to a need for new physics.

Kochab and Pherkad: Outer bowl stars of the Little Dipper

Kochab and Pherkad are stars in the Little Dipper asterism. Maybe you can find the Big Dipper but not the Little Dipper? This post will help.

Coma Berenices: See how Leo the Lion lost his tail

Coma Berenices is the constellation of Queen Berenice's Hair. It used to be the tail of Leo the Lion before it became its own constellation.

Notice the westward shift of Orion and all the stars

As Earth makes its grand tour around the sun each year, the stars and constellations all do a westward shift in our sky. Orion is a good one to notice.

Happy birthday, Albert Einstein! Born March 14, 1879

Albert Einstein - born March 14, 1879 - changed our notions of matter, space and time. He launched modern physics, and became a household name.

Virga is rain that doesn’t reach the ground

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.

Daylight saving time starts: 10 tips for the coming week

Do you think daylight saving time is a good idea? Whether you like it or not, here are some handy tips on how to cope with the time change in the spring.

Lunar eclipse: Tips for watching and enjoying

A total lunar eclipse is coming up overnight on March 2-3, 2026. Here are some tips for watching and enjoying the total lunar eclipse.

The Beehive Cluster: A swarm of 1,000 stars

The Beehive Cluster is an open star cluster that lies near the center of the constellation Cancer the Crab. It goes by many names, including Praesepe and M44.

A total lunar eclipse looks red. Why?

Coming up ... the total lunar eclipse of March 2-3, 2026. At maximum eclipse, the moon will look red. But why? Earth's atmosphere is the key.