Everything happened slowly—until at a certain ... “Solar system evolution is dynamic,” Levison says. “It’s violent. Our solar system is probably on the mild side compared with what ...

Everything you could want to know about Mercury in our solar system. Ukraine agrees to U.S.-led ceasefire plan if Russia accepts Yellowstone to Yosemite: Kevin Costner speculates the reason behind ...

A new model has been developed to simulate interstellar activity within our solar system and the nearby Alpha Centauri system ...

At first glance, the night sky appears still. But in reality, everything moves, our Solar System being no exception. As it drifts along the Milky Way, it encounters unseen forces—dense clouds of ...

This discovery has led experts to conclude that the Solar System and the Milky Way ... something that changes history and everything we know about our surroundings in space.

Scientists have discovered a new planet, Enaiposha, that defies existing planetary classifications. Found 47 light-years away, it has a dense atmosphe ...

Since its discovery in 1930, until 2006, Pluto was counted as the ninth planet in the solar system. In 2006, the International Astronomical Union reclassified it as a ‘dwarf planet’, and our ...