Every year in early January, Earth reaches the closest point in its orbit to the Sun, a moment astronomers call perihelion. We are slightly nearer to our star and receiving more solar energy than we ...

As the year gets underway, something important happens quietly in space while life on Earth carries on as usual. Our planet reaches the point in its yearly path where it moves closest to the sun.

Dominic has a degree from the University of Winchester in film production and is currently studying for his second degree in biology at the Open University. Dominic has a degree from the University of ...

It's been about twenty years since the discovery of the first definitive proof that there are planets outside our solar system, and today NASA has revealed that it has found the first near-Earth-sized ...

Earth, sun, moon: three objects in space whose interactions have a pretty big impact on our lives. Earth orbits the sun once a year, and it rotates on its axis about once a day (depending on your ...