The ice giant, now missing, may have disrupted some of the moons of Uranus and Jupiter.

New study assesses where light-powered spacecraft propulsion technology currently stands.

Unlike rocky planets such as Mars and Earth, angrites do not have a lot of silicon dioxide. Because of this, astronomers have ...

The ingredients that help make a planet livable did not necessarily come from where many scientists once thought. A new ...

Scientists may have found one of the main sources of rocky material for the solar system, forming diverse populations of baby ...

Looking at the Solar System, Jupiter and Uranus both have plenty of irregular moons. In supercomputer simulations, the ...

Our solar system has two ice giants, Uranus and Neptune, but there may have been a third. According to a new study published ...

Research suggests Earth received most of its phosphorus and nitrogen from nearby planetary building blocks, reshaping ...

It may not feel like it, but everything in the universe is in constant motion. Our Sun, with all its planets, orbits the center of the Milky Way, flying through the cosmos at around 450,000 miles per ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. To us everything seems normal. Our planet, blue and bursting ...

Calm, windless spells may drive a wind and solar shortfall lasting up to 24 days a year in China's grid, a new study warns.