The origins of time

What is time? Why is it so different from space? And where did it come from? Scientists are still stumped by these questions — but working harder than ever to answer them.

Eclipse at the bottom of the world

Astronomy‘s intrepid travelers journeyed to Antarctica to witness one of nature’s grandest spectacles.

An observer’s guide to Star Trek

The Enterprise has visited many star systems on its voyages. Here’s how to see some of them for yourself.

How to identify objects in your astrophotos

These free websites are all you need to unlock the mysteries hidden within any deep-sky image.

Secrets of the meteorites

These cosmic rocks are like fossils from the early solar system.


Sky this Month
StarDome and Path of the Planets

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