The Solar System is far more diverse in size than it appears from Earth. From tiny rocky worlds to massive gas giants, each ...

On a clear night, it dominates the sky, bright enough to cast shadows and large enough for dark patches and surface features ...

While life on Mars (and Venus) has long been an obsession for those wondering if we're alone, there are other places in our ...

For a long time, Earth’s ending seemed settled. In about five billion years, the sun will swell into a giant, the inner Solar ...

A rare meteorite has revealed evidence of a massive lost world that once orbited the young Sun before being destroyed in a catastrophic collision. The discovery suggests some early planets formed from ...

Emily Simpson has loved space since she was a 10-year-old kid celebrating her birthday at a planetarium. Now a recent Florida Tech graduate, she leaves with not only a dual degree in planetary science ...

Earth, our home planet, is a world unlike any other. The third planet from the sun, Earth is the only place in the known universe confirmed to host life. With a radius of 3,959 miles, Earth is the ...

Illustration comparing the planets of the Solar System and the Sun on the same scale. The planets are shown to scale relative to each other but their distances are not. From left to right the bodies ...

The Sun would rise in the west on Venus, but that is only the beginning of how strange a day there would feel. A day is ...