Enlarge / The crew of Polaris Dawn, from left: Scott Poteet, Jared Isaacman, Sarah...
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Enlarge / MIT engineers built a battery-free, wireless underwater camera that could help scientists...
When two galaxies collide, it creates a burst of energy that kills off star...
Enlarge / Illustration of magnetic levitation using a high-temperature ceramic superconductor. reader comments 18...
After NASA’s DART mission slammed into the asteroid Dimorphos, the Hubble Space Telescope and...
reader comments 64 with 39 posters participating Share this story A common practice in...
How great are wheels, really? Wheels need axles. Suspension. Power of some kind. And...
Enlarge / The best images we have of Europa were gathered more than two...
reader comments 51 with 27 posters participating Share this story Lights went out as...
Enlarge / The Grand Canyon viewed from the South Rim adjacent to the El...
