The solar system consists of our star, the sun, and everything bound to it by gravity: the planets Mercury, Venus, Earth, ...

The birthplace of stars begins within large, cold clouds of gas and dust, which eventually collapse under the weight of ...

Gravity close gravityThe force of attraction between all objects. The more mass an object has, the larger the force of gravity it exerts. is a force that attracts objects towards each other. The ...

She proposed that when the solar system was young and full of asteroids and comets, Neptune was closer to the sun. If one of those bodies approached Neptune, the planet’s powerful gravity might ...

This low-tech energy breakthrough could power the future. Gravity batteries store renewable energy using gravity—and they may ...

NASA’s Lucy spacecraft captures asteroid Donaldjohanson, marking a new step in its mission to explore the solar system’s ...

The Solar System is very tidy. You have four rocky planets near the Sun, and four gas giant planets further away. An asteroid ...

which ebbs and flows as our solar system ambles through the Milky Way. (For objects near the Sun, like planets, the tide's effect is largely overpowered by the star's gravity.) This is what the ...

Astronomers studied it for clues to how early planets grew, and what Earth might have looked like in its infancy.