Jim Baen's Universe

Energy Shortage Full Story

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More energy from the Sun hits the Earth in one hour than all of the energy consumed by humans in an entire year.

Why Science Fiction? Full Story

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You know you’re getting old when you’re tempted to start an article with, “Back in the old days.” But here goes anyway.

Interstellar Flight: The Not Impossible Full Story

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In the last column we examined ways of building starships that are almost within our engineering grasp.

Interstellar Flight: The Possible Full Story

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Our first starships are already plying their way through the vacuum of interstellar space.

New Earths Full Story

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Is there another planet like Earth out there among the stars? Very likely.

Human Immortality Full Story

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Do you want to live forever? Maybe you will.

Buck Rogers Redux Full Story

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And now for something completely different.

Galactic Geobiology Full Story

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Last time we asked “Where is everybody?” and found that it’s not enough to seek extraterrestrial intelligence per se: we ought to be looking for ETs who are more or less at the same level of technology that we are.

Where Is Everybody? Full Story

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Is there intelligent life in the universe?

Meteoroids, Meteors and Meteorites Full Story

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The headline screamed: “OMG! We Come From Space!”

The Science in Science Fiction Full Story

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Moon Race Full Story

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Usually, gazing out across the crater floor to the weary old ring-wall mountains with the big, blue, beautiful Earth hanging in the black sky above—usually it fills my heart with peace and calm.