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

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...

Simpson and Chen ran mathematical models looking at how differently sized Earth-like worlds would have affected the rest of ...

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

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

Titan is the only moon in our solar system with a significant atmosphere. Now we have a very good idea of how this dense ...

LIVERMORE FALLS — The Planning Board on Wednesday evening, Jan. 22, approved changes to the Livermore Falls Solar Energy ...

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

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

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 ...

Long ago, a planetary object eight times the mass of Jupiter may have once visited the solar system and altered […] The post ...

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