When you think of a planet, you probably think of one of the planets in our own solar system, like Earth, Jupiter, or Mars. Most of the exoplanets we’ve discovered have been like those in our solar ...

Korenaga is Professor of Earth and Planetary Sciences at Yale University. He tells Srijana Mitra Das at TE about how gold got ...

Scientists say a new planetarium show about the Milky Way has helped them unlock one of the solar system’s many secrets.

Astronomers spotted water around a young, sun-like star for the first time ever, and it could help us understand solar system formation.

For centuries, astronomers have sought to understand the formation and evolution of the solar system and the dynamics that ...

It's an evocative idea that has long bedeviled scientists: a huge and mysterious planet is lurking in the darkness at the ...

U.S. astronomers hunting for "Planet Nine" have instead stumbled on what appears to be a new dwarf planet in the solar system's outer reaches.

There's no shortage of round celestial objects in our universe. Planets, moons and stars all exhibit lovely spherical shapes.

For now, complex life flourishes on our planet thanks to its supply of oxygen. But Earth's atmosphere wasn't always like it ...

Some astronomers say the strange, clustered orbits of icy rocks beyond Neptune indicate that something big is out there, ...