Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

Narrator: Serious scientists, like myself, believe our solar system was formed by the collapse of a giant cloud of gas and rock and is held together by the gravitational pull of the Sun.

Starting at 12:30 p.m. ET (1730 GMT) on Saturday (Jan. 25), astrophysicist Gianluca Masi of the Virtual Telescope Project ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course.

announced that it signed a 1.5GW order of its 1P single-axis solar tracking system SkyLine II with PowerChina for a solar project in Al Ajban, UAE, marking a great start for the company in the ...