Galleries / A Closer Look at Our Galactic Twin: Andromeda

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NASA is building the James Webb Space Telescope, which will be humanity's premier eye in the sky when it launches later this decade. Here's a sneak peek at the telescope that will take the universe's baby pictures.

Every year DISCOVER sorts through the scientific accomplishments of the past 12 months, and assembles a list of the coolest experiments, most brilliant discoveries, and most world-changing events. As you page through the countdown to the #1 science story, we think you'll come to the same conclusion we did: 2010 was quite a year.

Some science doesn't "shed light" on the subject--instead it forces researchers to question their assumptions and start all over again.