Harvard and Smithsonian (CfA), and its Submillimeter Array (SMA), were critical for identifying a cache of belts surrounding other stars beyond the sun where comets may reside. Regions around 74 stars ...

For the first time, astronomers have imaged dozens of belts around nearby stars where comets and tiny pebbles within them are ...

The temporary belts, one of which still remains, were filled with high-energy electrons and protons and were found by a ...

A California startup wants to beam extra sunlight to Earth orbiting mirrors, but some are skeptical about whether the physics ...

Nasa to launch PUNCH Sun mission to recreate solar eclipse - Four suitcase-sized satellites could revolutionise our ...

One California homeowner was racing the clock as they tried to force their application for solar panels through their HOA's ...

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

"This whole thing happened because of an extra credit assignment for my astronomy class at UGA." Until we live in a world based purely on sliding doors, door hinges will remain some of the most ...

Couldn’t we all do with a little stress reduction? Especially since all seven of the other planets in our solar system are about to become visible at once in a great planetary alignment.

Stock illustration of all the solar system's planets. Mars, Venus, Jupiter, Saturn, Uranus and Neptune will be visible all at once this month. Stock illustration of all the solar system's planets.

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known ...

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.