Why does Jupiter look like it has a surface – even though it doesn’t have one? – Sejal, age 7, Bangalore, India ...

This study presents the first physical evidence that Snowball Earth reached the heart of continents at the equator.' ...

Previous observations suggested that Ceres was less than 30% ice, and its craters were thought to imply that the dwarf planet ...

Information about the gravitational fields of Mars has recently been analyzed and seems to reveal that there are a number of ...

A new study posits that our planet's gravity will cause seismic activity on Apophis when it makes its close approach in 2029.

If we're finding spaceship debris on another planet then it's because we put it there, and what the NASA helicopter found was ...

It must have cleared all other celestial bodies, except its own moons, from its orbit.

The sun’s magnetic activity causes auroras, and the relationship between solar flares and auroras reveals an 11-year cycle; ...

And in its own way, the planet’s rusty red surface tells a story of destruction. Billions of years ago, the fourth planet from the sun could have been mistaken for Earth’s smaller twin ...

Today, we know of more than 5,000 exoplanets: planets outside our solar system that orbit other stars. While the effort to ...

Opinions expressed by Forbes Contributors are their own. Jamie Carter is an award-winning reporter who covers the night sky. Just six light-years from the solar system — in cosmic terms, our ...

It is a world of extremes. Explore facts about our solar system's fastest planet. Mercury is slightly larger than our Moon - 15,329 kilometres around its equator. Its radius, the distance from the ...