Billions of years from now, the Sun will swell into a red giant, swallowing Mercury, Venus, and Earth. But that’s not the ...

Mercury, for instance, is already the wild card of the inner planets. Its orbit grows more eccentric over time, increasing ...

A passing star has been discovered that could cause chaos in the Solar System, sending Earth flying out of orbit.

But this assumes that nothing affects the Solar System in the meantime, and that is not a certainty. As we travel around the ...

NASA’s Solar System Exploration website notes these names, rooted in Latin, persisted due to historical inertia despite varied ancient names.

Scientists have long been intrigued by the search for water beyond Earth, and NASA's 2012 discovery on Mercury has ...

Simulations show that the stars’ tug could send Mercury, Venus or Mars crashing into Earth — or let Jupiter eject our world from the solar system.

Astronomers find evidence of a possible ninth planet beyond Neptune, reigniting the debate about the formation of the Solar ...

For instance, Neptune migrated outward, switching places with Uranus, and pushed a lot of the small, icy bodies into the ...