On 1990, NASA's Pioneer 11 spacecraft left the solar system! This was the second spacecraft to travel beyond the planetary part of our solar system, which ends at Neptune's orbit. An ...

A new Tatooine-like planet outside the solar system may orbit two failed stars, scientists reported Wednesday. Located about 120 light years away, the exoplanet appears to take an unusual path around ...

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, ...

NEW YORK (AP) — A new Tatooine-like planet outside the solar system may orbit two failed stars, scientists reported Wednesday. Located about 120 light years away, the exoplanet appears to take an ...

This video explains why planets in our solar system orbit in nearly the same plane, tracing their origins back to a rotating protoplanetary disc of dust and gas that formed around the young Sun. It ...

Have you ever wondered why all the planets in our solar system orbit the Sun in roughly the same flat plane? This fascinating phenomenon isn’t a coincidence but a direct result of how our solar system ...

"This is really like looking at ourselves in a funhouse mirror." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Skewed planetary pathways around ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. This artist’s illustration provided by the European Southern Observatory shows an exoplanet orbiting around two brown dwarfs, ...

FILE: Before heading back to the North Pole, Santa Claus stopped through Gruene to hear last-minute requests from kids. Located about 120 light years away, the exoplanet appears to take an unusual ...