Arizona’s Meteor Crater is still revealing new secrets 50,000 years later

Arizona’s Meteor Crater remains ‘the perfect natural laboratory’ for studying what happens when meteors strike Earth, scientists say.

The March full moon glows red through Saharan dust in eerie composite view

Saharan dust and atmospheric filtering combined to give the moon a dramatic red hue.

Northern lights may be visible in 9 US states March 13

Auroras may be visible from Alaska to Maine tonight and tomorrow as a speedy solar wind stream is due to arrive.

How to clean your camera’s image sensor safely at home

Here’s how to clean your camera sensor to get a crisp picture every time.

Spectacular fireball over Europe sends meteorite crashing through roof of German home

A meteorite has crashed through the roof of a house after thousands observed a stunning fireball streak across the sky in western Europe.