The quest for life beyond Earth is a multi-century rollercoaster that’s captured our imaginations, raised our hopes, dashed those hopes, and then raised them again. Learn more in this Sky Science backgrounder.
Learn about the different 'neighbourhoods' in the Milky Way in this Sky Science backgrounder.
Learn the various ways that we explore Space around us through this Sky Science backgrounders
Learn about the many pieces that make up our solar system in this Sky Science backgrounder
Three of the basic needs of humans on Earth are food, air and water.
This backgrounder explains the difference between planets, dwarf planets and small solar system bodies.
This backgrounder has information about both cosmic & neutron radiation.
This backgrounder discusses the factors that affect the amount of cosmic radiation people receive on long-distance flights.
Mars is visible in the night sky without the help of a telescope, so it has fascinated people for thousands of years. The next big step is a human mission to Mars.
Earth is the third planet from the Sun, and Mars, the fourth planet from the Sun, is our closest planetary neighbour.