A significant challenge in modelling the early solar system is explaining the presence of liquid water on Earth.

Our judges, Adam Block, Alex Curry, Nik Szymanek and Mustafa Aydın, chose the winners of the December 2023 contests.

A team of astronomers have found evidence for massive cyclones along with other dynamic weather activity occurring on a hot Jupiter 880 light years away, providing important information about weather patterns on distant p

Summary of Sir Issac Newton

Today, we are announcing the new contests for January 2024!

Neutron stars are the most extreme non-black hole environments in the universe, formed from stars over 8 M☉, through a Type II supernova.

Discussion of the different coordinate reference systems.

A summary of Astronomical Timekeeping Systems

A team of astronomers have measured precise distances to stars from Earth using asteroseismology.

Here are some general telescope highest useable power specifications based on the aperture of the optical tube.  This is generally the limit of the resolution you can achieve on a night with outstanding seeing conditions.

Here are some general astronomy and weather programs and apps that are effective for astronomical observing and imaging. Planetarium, General Astronomy Programs and Apps:

Binoculars are one of the most overlooked tools for astronomical observing even thought they are the easiest to use as well as the most comfortable.  They are idea for observing open and globular star clusters and as