Astronomy

The universe's explosion into being is known as the Big Bang. In this article we look at what the Big Bang theory is, the evidence we have for the theory and what the future may hold for the universe.

Galaxy mergers occur when two or more galaxies collide. They are the most violent type of galaxy interaction. The gravitational interactions between galaxies and the friction between the gas and dust have major effects on the galaxies involved.

Finding objects in the night sky with your telescope can be one of the most difficult challenges you face, If you have an equatorial mount, being able to use its setting circles will help you considerably.

The pyramids have exerted a powerful spell on the western world. Where once they were thought to be giant granaries, astronomy has revealed their true purpose.

Imagine a star so big that if it replaced the Sun, it could engulf the Solar System as far out as the orbit of Saturn. Or one that produces as much energy in one second as our Sun does in a hundred days. These are hypergiant stars.

On his travels in Egypt, Herodotus recounted a story of Egyptian sailors who witnessed sunrise to the north, thus proving they were in the southern seas.

Since radio telescopes were developed, significant discoveries have been made. Here we list 5 amazing radio telescope discoveries.

Ever since Tycho Brahe died suddenly more than 400 years ago, there has been a mystery about whether the Dane whose observations laid the groundwork for modern astronomy fell victim to natural causes or was murdered.

In a world where each city had its own calendar, the Greeks looked to the stars to ensure they did not miss Apollo's birthday, an important festival.

The Greek astronomer Hipparchus discovered precession, the slow movement of the heavens, by studying Egyptian astronomical records thousands of years ago.