NASA astronaut Ron Garan came to a stark realisation about humanity and the state of the planet during his time on the International Space Station.

In 2005, ESA's Huygens probe landed on Titan, revealing the atmosphere, landscapes, and chemistry of Saturn's moon.

On September 21-22, a partial solar eclipse will be visible across parts of the southern hemisphere, briefly dimming skies ...

A solar eclipse occurs when the moon passes directly in front of the Earth and the sun, temporarily obscuring our brightest ...