A new generation of space companies is thinking bigger. From kilometers-wide orbital data centers to solar power stations ...

This model of solar system formation is known as the nebular hypothesis. The solar system is structured in a roughly flat plane called the ecliptic, with most planets orbiting the sun in the same ...

TRI-CITIES, Wash., - A new educational project is set to transform the trails along the Columbia River into a scale model of ...

Billions of years ago, in the frozen edges of the solar system, a violent impact shaped one of space’s oddest pairs. Instead ...

NEW YORK (AP) — A new Tatooine-like planet outside the solar system may orbit two failed stars, scientists reported Wednesday. Located about 120 light years away, the exoplanet appears to take ...