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Space exploration and travel

The movie gives a shout-out to Euler's Method -- a centuries-old math technique. Did it really help send astronauts into orbit?

Catherine Meyers, Staff Writer

The Outer Space Treaty, which turns fifty this year, laid the basic ground rules for the exploration of the final frontier.

Catherine Meyers, Staff Writer

Scientists use data from the New Horizons mission to illuminate the mystery.

Charles Q. Choi, Contributor

The futuristic ideas from the original "Star Trek" series have inspired today's technology.

Emilie Lorditch, Staff Writer

Observations of the region beyond the planet Neptune are giving astronomers fresh understanding of our solar system's history – and may reveal a new planet.

Peter Gwynne, Contributor

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