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Webb maps a CO2-heavy comet as Hubble tracks long-lived jets

What does a comet reveal when it is both interstellar and surprisingly organized releasing in narrow streams that hold their ...

This blue planet possibly resembling Earth experiences rain of glass at 5400 mph, says NASA

HD 189733 b orbits so close to its star that distance almost stops mattering. The planet was logged in 2005, one of many ...