CLEVELAND — With so much focus on the total solar eclipse right now, I thought some stellar solar system facts would shake up your universe. Let me take you back to grade school and the solar system ...

As you undoubtedly already know, being the scholars and gentlepeople that you are, the moon does not precisely revolve around the earth. Its mass is so big relative to the earth that the two of them ...

When we think of Earth and its neighboring planets orbiting around our common host star, we picture the center of the Solar System as smack in the middle of the Sun. However, that's not entirely true, ...

All planetary systems have this point, called a barycenter, where their mass is perfectly balanced. For some systems - like Pluto and its moon, Charon - the barycenter is outside the planet. See more ...

If somebody asks you where the center of the solar system is, you would probably say “the sun.” The orrery shows it all. Everything orbits around the sun (which we knew a lot earlier than most think.

There are a lot of weird moons in our solar system, but ours is probably the weirdest. For one thing, it’s really damn big. It’s practically a planet. The Moon is one fourth the size of Earth. With ...

The meteoroid stream of long-period comet Thatcher (white line). Each meteoroid moved on its own orbit and created a Lyrid shower meteor when it hit Earth after approaching the orbit of Earth (blue ...

The asteroid belt is the ring-shaped disc consisting of irregular small bodies called asteroids located between Mars and Jupiter. I have studied the origins of the asteroid belt in the the solar ...

This year, we got to know our Solar System a little better. For millennia, humans have believed the Earth or the Sun occupied the center of the Solar System, but the truth is the planets and the Sun ...

The moon orbits Earth — right? The answer is actually a little more complicated than that. The moon is circling a point about 3,000 miles from our planet's center, just below its surface. Earth is ...