For our purposes, we are referring to the latter. The eight planets in our solar system all orbit the sun on “a relatively ...

A powerful new observatory is the best hope yet for finding the elusive Planet 9, a large planet that some scientists say is ...

8 planets orbit the Sun. The closest are the four rocky planets, the remaining gas planets inhabit deeper space. The solar system is also home to many other cosmic bodies including asteroids ...

Just when you think Snapchat couldn’t get more creative, it drops something that gets everyone buzzing again. Yup, the same ...

In 1846, Neptune, the fourth of the giant planets beyond the asteroid belt, was discovered—thirty times farther from the Sun than our Earth. With 8 planets now known, the thoughts of astronomers ...

When the planet finally fell in toward the star, it splashed away layers of gas from the star’s outer atmosphere, and this gas gradually cooled into cold dust which now sits as a cloud around the star ...

Have human beings permanently changed the planet? That seemingly simple question has sparked a new battle between geologists and environmental advocates over what to call the time period we live in.

In this outstanding and educational talk, [Michael Büker] walks us through the history of our understanding of the planets. The question “What is a planet?” is probably more about the ...

8 planets orbit the Sun. The closest are the four rocky planets, the remaining gas planets inhabit deeper space. The solar system is also home to many other cosmic bodies including asteroids ...