Our trillion-galaxy universe

Astronomers have learned that their previous estimate of the number of galaxies in the universe was slightly off – by more than 1 trillion.

Making sense of the exoplanetary zoo

Astronomers see a menagerie of planetary systems orbiting other stars, but they’re just beginning to figure out how these structures arise.

Mapping the galaxy one star at a time

The astronomy community is preparing for the big one: a spectacular 3-D map of the entire galaxy.

Explore Centaurus’s deep-sky treasures

From stars and star clusters to galaxies and galaxy clusters, this constellation will keep you observing all spring.

Moonwalkers and women scientists highlighted at Starmus IV

The famous festival will take place in Trondheim, Norway, this month, showcasing science, music, and a celebration of life.

25 hot eclipse products

Viewing the eclipse safely doesn’t have to break the bank.


StarDome and Path of the Planets
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