A mysterious interstellar object ... significantly altering the orbits of its outer planets—Jupiter, Saturn, Uranus, and Neptune. Using computer simulations, researchers found that in about ...

Astronomers should search for technosignatures on planets that are not conducive to life. Harvard astronomer Avi Loeb ...

including Saturn, Jupiter (shown here), Uranus, and Neptune. Photograph by NASA/JPL The prospect of a “grand tour” of the outer planets emerged in 1965 from the musings of an aeronautics ...

Imagine an office where each planet has a distinct role: Mercury the speedy intern, Venus the HR guru, Earth the stressed-out ...

For centuries, astronomers have sought to understand the complex dance of planetary motion. The ancient belief that planets followed perfect circular orbits aligns intriguingly with modern theories of ...

more moons than those around all the other planets in the solar system combined. Since we can't yet build The Ark's interstellar spacecraft and go visit the Saturn system ourselves, these moons ...

NASA’s twin Voyager probes, which launched in 1977, are the longest-running missions to send data home. But as their power ...

Voyager 1 crossed into interstellar space in 2012, followed by Voyager 2 in 2018, making them the only spacecraft to operate ...

The moons are only a few kilometers in size. Saturn has more moons than any planet in our solar system. Astronomers have discovered 128 new moons orbiting Saturn, further solidifying the planet as ...