According to new simulations, many, even most, planets get ejected from their star early in their history Star Trek ...

Watch this video to find out more about the Earth, planets in our Solar System and other planets far off in outer space. From up here on the International Space Station I get a great view of Earth.

All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't ...

We know of several hundred billion stars in our galaxy, at least 100 billion galaxies ... potential habitability - at ...

Whether a galactic environment has the right conditions for habitable planets to form could depend on how the black hole in ...

A conception of the James Webb Space Telescope orbiting 1 million miles from Earth. Credit: NASA GSFC / CIL / Adriana Manrique Gutierrez You don't see this every day. "Our hope with this kind of ...

A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that are 1 to 4 times the size of Earth and among the most common in our galaxy.