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The Truth About Pluto NASA Didn’t Want to Believe

Pluto was dismissed as a frozen has-been at the edge of the solar system. But when NASA finally got a close look, what they ...

This Space Telescope’s Entire Job Is to Search For Signs of Life On 20 Distant Planets

Still, science being science, we needed proof—and we got it in 1992, when two astronomers found two planets orbiting a pulsar ...