An illustration of the solar system showing the orbits of the planets around the sun.

If you need to remember your tiny place in the space-time continuum, it’s time to listen to SolarBeat, a flash animation that converts the orbital frequencies of our solar system into notes. Artist ...

The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun as the orbit of Mars.

A hypothetical Kuiper Belt Planet in the outer solar system could help explain the orbits of trans-Neptunian objects.

Most planet-forming disks have warps that can lead to planets on inclined orbits, which could explain where the tilt of Earth ...

Astronomers have discovered six planets orbiting a bright, nearby star in perfect synchrony like a grand cosmic orchestra.

CAPE CANAVERAL, Fla. — Astronomers have discovered a rare solar system in the Milky Way that boasts six planets orbiting in perfect rhythm like a cosmic orchestra, untouched by outside forces since ...