Hubble at 20: An Astronomical Success

After myriad delays and budget overruns, the Hubble Space Telescope finally roared toward orbit on space shuttle Discovery on April 24, 1990. Despite a rocky start, Hubble has in its two decades of operation revolutionized astrophysics and cosmology

10 Telescopes That Changed Our View of the Universe [Slide Show]

Historic telescopes through the ages, from Galileo to the 21st century


Last Dance with the Shuttle: What's in Store for the Final Hubble Servicing Mission

A Q&A with Hubble Space Telescope senior project scientist David Leckrone


Out of this World Pictures: First Direct Photos of Exoplanets

In an astronomy first, researchers image exoplanets orbiting two stars


    More In This Report

    Editors Picks

    Scientific American Back To School

    Back to School Sale!

    12 Digital Issues + 4 Years of Archive Access just $19.99

    Order Now >


    Email this Article

    This function is currently unavailable