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This week's space headlines include the Moon's tilt, Phobos becomes a ring, and swarming comets.
Comet Catalina, winter on Titan's south pole, the formation of a planet, and a not-so-habitable exoplanet...
How are bats able to land upside down? The answer may surprise you!
Genetic sequencing puts two marine worms in their place and confirms that another defies classification.
American alligators—such as the Academy's albino alligator, Claude—were once critically endangered.