Blue Origin's New Glenn rocket aced its first-ever landing last week — and even managed to stay pretty, despite the ordeal.

"It looks and behaves like a comet, and all evidence points to it being a comet. But this one came from outside the solar system, which makes it fascinating, exciting and scientifically very important...

NASA spacecraft across the inner solar system captured new views of Comet 3I/ATLAS—the third known interstellar object