The smaller particles could in fact be more harmful as they can get through the body's natural defenses and cause significant health problems.

Mars isn’t a bright, fire-engine red, but the iron oxide in its rocks makes it appear redder than other planets, especially ...

A vast, glowing halo enveloping a galaxy cluster has been discovered, defying expectations and pointing to turbulent cosmic ...

The impacts were caused by an inversion combined with northeast winds bringing in smoke from wildfires in New Jersey. Warmer ...

An immense coronal hole has turned our way, bringing with it the potential to see the Aurora Borealis across parts of Canada.

AuroraWatch UK has issued a red alert for the Northern Lights being visible in Hertfordshire tonight, today, June 13.

There's not much you can do about plants and seeds that rotted in May's slogfest, but you can do a lot to head off future wet ...

The Northern Lights are set to be visible over Oxfordshire tonight after a red alert was issued. Stargazers across the country were lucky enough to catch several glimpses of the Northern Lights, also ...

Ahead is a different take on Phase 1 of the MCU. It moves quicker and brings in more characters early on to keep things fresh ...