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 ...

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 ...

Watch fiery SpaceX Starship Flight 8 debris rain down over The Bahamas (video) Thursday, March 6, 2025: Astrophotographer Josh Dury took the photo you see above on Feb. 28, when seven planets ...

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 ...

The researchers' model successfully replicates key features of exoplanetary systems, including the "radius valley" -- a noticeable scarcity of planets around 1.8 times the size of Earth.