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

Floating around at the edge of the Solar System are leftovers from its formation. This is the Kuiper Belt, which is composed of chunks of rock and ice like comets, dwarf planets, and random objects ...

The relative size of the inner planets of our solar system: Mercury, Venus, Earth and Mars. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert!

Some peas-in-a-pod systems also have outer planets like our solar system. Deciding on a rule to designate inner and outer regions wasn't easy, but the team classified outer planets as those that take ...

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.

This solar system consists of four inner rocky planets and four outer gas giant planets as well as an asteroid belt, containing thousands of huge rocks, dwarf planets and comets. Our solar system ...

"We have been waiting for 10 years to confirm that our finely tuned operations of the telescope would also allow us to access the inner planets. Now the results are in, and we can do interesting ...

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

The findings provide strong evidence that four giant exoplanets 130 light-years from Earth formed much like Jupiter and ...

PUNCH isn't the only spacecraft studying the solar corona and the transition into the solar wind. NASA's Parker Solar Probe regularly flies closer to the sun than any other spacecraft has gone before; ...