How It Works

Expansion of the universe

How do scientists calculate how fast the universe is expanding? In 1929, American astronomer Edwin Hubble announced a truly ground-breaking discovery: the universe was expanding. By observing the light from distant galaxies, Hubble found that their wavelengths were stretched out … Continued

Take a look inside the Lagoon Nebula

A new video released by NASA takes you on a journey through the stellar nursery that is the Lagoon nebula.   The images that make up the video were taken by NASA’s Hubble Space Telescope. The Lagoon Nebula resides 4,000 … Continued

Farthest star ever seen in the universe detected

A study in Nature Astronomy has reported the discovery of a star that is the farthest away from Earth ever recorded at a distance of an incredible 9 billion lightyears. The faint light in a distant galaxy has been found … Continued

Heroes of Space: Katherine Johnson

“I counted everything. I counted the steps to the road, the steps up to church, the number of dishes and silverware I washed … anything that could be counted, I did.” From a very young age, Katherine Johnson had a … Continued

Spotted: Black hole hiding in giant star cluster

An international team of astronomers led by the University of Göttingen witnessed a star in the globular cluster NGC 3201 acting “curious.” Boomeranged forwards and back, the star reached speeds of several hundred thousand kilometres per hour, with the pattern … Continued

Curvature of the Earth

The curvature of the Earth

Students capture stunning images of the Earth’s stratosphere to help monitor pollution levels

Exploring Venus

Venus is the second planet from the Sun and orbits it every 224 Earth days. It rotates the opposite way to the other planets. The second brightest natural object in our night sky, it is bright enough to be visible … Continued

The Apollo Program

The Apollo Program The trailblazing NASA missions that took us to the Moon In the late 1950s, the US and the Soviet Union were racing to reach a major milestone in spaceflight: put humans on the Moon then return them … Continued

Warm Neptune HAT-26b

There’s a warm Neptune?

Find out about an exoplanet that is remarkably similar to the ice giant in our solar system but just a little bit hotter

Animal astronauts

Meet Laika – the first animal in orbit – and the other 9 space pioneering species that paved the way for human spaceflight.