Baby planet Pluto gets its closeup -- or so scientists hope.
NASA's New Horizons probe has officially begun to execute its sequence of Pluto flyby observations as it zooms toward its closest approach to the dwarf planet on July 14.
Exploring interstellar space would require a paradigm change in our way of thinking.
Two new books from the University of New Mexico Press feature photos from the Apollo moon landing and the one- and two-man Mercury and Gemini flights.
Enjoy some of the most inspiring, beautiful and down-right stunning photos from our adventures in space this past week.
NASA’s New Horizons has almost arrived to Pluto! What do we know about this dwarf planet, and what do we hope to learn from sending a probe to the surface?
It would be extremely exciting to find life on another planet. How should we be looking for it, and does this discovery hold the key to finally discovering it?
What's it like to fly on a U2 spy plane, 70,000 feet in the air, at an altitude that reaches 70 degrees below zero? Watch one man capture his once-in-a-lifetime flight at the edge of space.
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