Recent Articles

Göbekli Tepe was founded about 12,000 years ago.

Speaker for the Dead

In our search for alien civilizations we might only discover long dead worlds

The Messenger spacecraft precisely measured the motion of Mercury. Credits: NASA's Goddard Space Flight Center

The Incredible Shrinking Sun

The Sun is losing mass, and getting larger at the same time

A laser in a test environment. Credit: U.S. Air Force

Follow My Lead

A 1986 experiment seemed to defy relativity for thirty years

A distant star is magnified by the effects of gravitational lensing. Credit: NASA, ESA, and P. Kelly (University of Minnesota)

The Invisible Star

How astronomers used gravity to observe a star too dim to be seen

The Sombrero Galaxy looks a bit like a sombrero. Credit: NASA/ESA and The Hubble Heritage Team (STScI/AURA)

What's in a Name?

The name of a galaxy says something about how it was discovered

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Brian Koberlein

I’m a farm boy who became an astrophysicist. Along the way I’ve been a farmhand, father, programmer, husband, author, and professor. Sometimes I write things. When I do, you can usually find it here.

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Articles may be used under a CC BY-NC 4.0 license.
Last revised on .