Two new large solar flares over the last 36 hours have increased the chances of northern lights this week, here's the latest ...

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. When ...

The sun unleashed a rare and powerful double eruption this week, sending two massive X-class solar flares from sunspot AR4274 ...

The region has unleashed at least two powerful solar flares in the last 12 hours, and experts are certain there's more to ...

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...

When it comes to finding baby, still-forming planets around young stars, the Atacama Large Millimeter/submillimeter Array ...

As a particularily active sunspot region rotates into view, the sun has released its largest solar flare since June.

A strong geomagnetic storm watch has been issued for Thursday night into Friday morning after a number of strong solar flares ...