Recent Articles

Halley's comet, as portrayed in the Bayeux Tapestry.

Weaving a Lie

Regurgitating misleading press releases isn't journalism

Artist depiction of an early cluster of galaxies. Credit: NRAO/AUI/NSF; S. Dagnello

An Early Meeting

Clusters of galaxies began forming when the universe was quite young

Superearths come in a range of sizes larger than Earth. Credit: NASA/Ames/JPL-Caltech

Stuck in the Well

Aliens may not have visited Earth because they are trapped on their own planet

Diagram of the HERMES instrument, which analyzes stellar spectra. Credit: N.A. Sharp, NOAO/NSO/Kitt Peak FTS/AURA/NSF

A Tale of Two Computers

Annie Jump Cannon taught us how to catalog the stars. A computer program named in her honor may help us learn the history of their formation.

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

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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 .