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Beta Pictoris b is a young exoplanet about 12 times as massive as Jupiter, with an orbit nearly twice as long. Now, a timelapse video of the planet’s nearly 23-year orbit lets you see most of that ...

Beyond Neptune, a celestial object puzzles astronomers with its synchronized motion with the giant planet. Its inclined orbit challenges current models of the outer Solar System. Discovered by an ...

CAPE CANAVERAL, Fla. — A SpaceX rocket has failed for the first time in nearly a decade, leaving the company’s internet satellites in an orbit so low that they're doomed to fall through the atmosphere ...