TUCSON, Ariz. — How did Pluto end up with its largest moon, Charon? Like many entanglements, it started with a kiss. New ...

Eons ago, in the frigid depths of our solar system, a dramatic collision occurred between two icy worlds. Instead of a catastrophic smash-up, the two bodies "kissed," merging temporarily like a ...

Pluto landed its largest moon, Charon, with a 'kiss'—overturning decades of scientific assumptions about how planetary bodies form and evolve. This is the conclusion of a new study, conducted at the ...

For decades, astronomers have tried to determine how Pluto acquired its unusually large moon Charon, which is about half the size of the dwarf planet. Now, new research suggests that Pluto and Charon ...

(CNN) — A collision between giant asteroids likely occurred in a neighboring star system called Beta Pictoris in recent years, and two different space observatories are helping to tell the tale. The ...

Billions of years ago, in the frigid outer reaches of our solar system, two icy worlds collided. Rather than destroying each other in a cosmic catastrophe, they spun together like a celestial snowman, ...

Austin, TX — Astronomers announced today that a mystery object orbiting a star 170 light-years from Earth might have formed from the collision and merger of two protoplanets. The object, known as ...

NASA’s Spitzer Space Telescope has picked up on what seems to be evidence of two planets impacting and then exploding in a oh-dear-God-it’s-like-the-Death-Stars-all-over-again-no-no-nooooooooooo way.

A dramatic glimpse of the aftermath of a collision between two exoplanets is giving scientists a view of what can happen when planets crash into each other. A similar event in our own solar system may ...

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