Our Solar System is a carefully balanced celestial dance held together by a virtually perfect balance of gravity and inertia.

A new study claims it is possible an "alien visitor" could have warped our solar system during its earliest years.

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in ...

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 ...

Get the best installation experience and value by asking solar companies these important questions before you sign a contract ...

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

"What If is an epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

A powerful new tool comes online this year that could help astronomers locate the mysterious planet hiding somewhere beyond ...

Further simulations on flybys into the inner Solar System revealed one of our own planets might be flung out of the ballpark ...

Astronomers have discovered extremely powerful winds pummeling the equator of WASP-127b, a giant exoplanet. Reaching speeds ...

The policy has been in the works since last year when Supervisor Michael Shull raised concerns over topsoil retention on ...