Here's how two world powers raced to the moon.
This Virgin Galactic spin-off aims to launch hundreds of small satellites into space at once, aboard their large LauncherOne rocket.
By tracking every neutrino that hit a detector beneath a mountain in Italy over ten years, scientists have painted the most detailed picture yet of the sun's interior.
A global, liquid-water ocean could exist under range of conditions on Proxima Centauri b, the closest known exoplanet to Earth.
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