Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial ...

Astronomers measure the speed at which the solar system is hurtling through space by mapping surrounding galaxies and ...

When a meteor streaks across the sky, it's not just beautiful. It's nature's way of delivering a time capsule to Earth.

Mercury is the innermost and smallest of the eight major planets in our Solar System, orbiting closest to the Sun. Though ...

Ask someone on Earth for the time and they can give you an exact answer, thanks to our planet's intricate timekeeping system, ...

After decades of searching, astronomers may have finally stumbled upon the first moon known to exist beyond our solar ...

Apollo samples provide evidence: Researchers analyzed Moon rocks brought back by the Apollo missions and, for the first time, ...

The picture-perfect launch of twin Escapade orbiters bound for Mars presages a fantastical new age in exploring the planets, ...

Discover what could happen if Planet X entered our solar system unexpectedly. Ole Miss issues major demand to coaching staff ...

Welcome to SolarBalls! Enjoy space animation filled with fun, entertaining visuals that help you learn about the solar system ...

Still, science being science, we needed proof—and we got it in 1992, when two astronomers found two planets orbiting a pulsar ...

The Solar System is more than just planets; it is home to a dazzling variety of moons, each with its own unique charm. Some ...