Learn

Articles

Written for readers who want the science without the jargon. Every article lists its sources and distinguishes what is well established from what is still being investigated.

• Deep Space2 min read

  What We Really Know About Black Holes

  A grounded overview of what black holes are, how astronomers detect them, and what is still uncertain.

• Observing2 min read

  A Beginner's Guide to the Night Sky

  How to enjoy stargazing without a telescope, and what to look for over the next few months.

• Exoplanets2 min read

  How Astronomers Find Exoplanets

  A plain-language tour of the main ways scientists discover planets orbiting other stars.