Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but get a telescope and you can spot Neptune and Uranus.

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

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

Portugal has reached a new milestone in renewable energy production. In January 2025, 72% of the country’s electricity demand was supplied ...

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

Comet ATLAS (C/2024 G3) came within 8.3 million miles of the sun on January 13, reaching the perihelion of its massive, 160,000-year orbit through our solar system. The comet was only first ...

NASA's Parker Solar Probe has beamed home its first detailed update eight days after making a record-breaking approach to the sun, the agency ... solar array cooling system, there was so much ...

The gigantic coronal hole is blasting high-speed solar wind toward Earth, potentially igniting vibrant auroras and minor ...

Despite common assumptions, the disk of our Solar System is warped, and the planets travel around the Sun in slightly eccentric (or oblong) orbits. Scientists now think that a mysterious object ...

3 min read Solar energy is the technology used to harness the sun's energy and make it useable. As of 2011, the technology produced less than one tenth of one percent of global energy demand.