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Astronomers using the European Space Agency's Cheops mission mission have caught an exoplanet that seems to be triggering ...

Learn about new observations that reveal an exoplanet is destroying itself by cuddling up to its host star, in an ...

Since its debut in 2021, the James Webb Space Telescope has dazzled viewers with its infrared images of galaxies, nebulae, ...

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – here’s how to spot the celestial show. Close. Advertisement.

Objects need to be at least 400 km or so in size to round out via self-gravity, and there’s still lots of room for large numbers of them to lurk undiscovered in the darkness beyond Neptune.