Just where did our protective magnetosphere come from? We take a look at the Earth's magnetic field and how it interacts with the Sun.

Galaxy mergers occur when two galaxies collide and are the most violent of galaxy interactions. The result is the creation of new galaxies.

Lunar Eclipse viewing guide on what causes lunar eclipses, how to get the best views of a lunar eclipse and how to photograph a eclipse.

All objects are continually absorbing and emitting infrared radiation. Black bodies are perfect absorbers and emitters of radiation.

A collection of mobile applications to help you navigate the night sky, locate objects and never miss an astronomical event.

Energy underpins every process in the universe, so let's take a look at where it comes from, the processes involved and what energy does.

Have you ever heard of a blue moon? Discover the history and folklore behind this rare lunar phenomenon in this informative article.

The Moon illusion makes the Moon appear much larger when it is closer to the horizon. Find out what causes the illusion in this article.

I'm often asked Why do Stars Twinkle? So I'll answer the question with an article and few tips for astronomers to eliminate star twinkling.

From the Perseids to the Geminids, this guide covers everything you need to know about meteor showers. Don't miss out on this spectacle!