Moons orbiting rogue planets, worlds flung from their parent star systems into the cold of interstellar space, could maintain ...

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When NASA's Voyager 2 flew by Uranus in 1986, it captured grainy photographs of large ice-covered moons. Now nearly 40 years later, NASA plans to send another spacecraft to Uranus, this time equipped ...

A new SwRI-led paper highlights the scientific progress made in understanding the evolution of terrestrial planets, including the effects of late large impacts on pre-existing modes of tectonics. For ...

Scientists observe a dramatic collision between two planets, offering insights into the formation of Earth's Moon 4.5 billion ...