Pluto has become a beloved object in our solar system ever since the International Astronomical Union (IAU) reclassified it from a planet to a dwarf planet back in 2006 – a decision which has ...

A new dwarf planet, discovered beyond Neptune and described as Pluto's 'cousin,' could void the hypothesis of a Planet X in ...

At the very edge of our solar system, beyond the grasp of Neptune and even past the icy sprawl of Pluto’s domain, a new ...

Sea levels will rise — by metres, not centimetres — and the time to prepare is now. Drawing on ancient clues and the latest ...

A small team led by Sihao Cheng, Martin A. and Helen Chooljian Member in the Institute for Advanced Study's School of Natural ...

Article continues below The solar system consists of the Sun, our home star, and everything that is bound to it by gravity: the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and ...

Planet X is actually around 20 times farther away from the sun than Pluto is, so it must be a real kick in the teeth for fans of the dwarf planet that this new kid on the block might be taking its ...

While Pluto was infamously reclassified back in 2006, Planet X is actually around 20 times farther away from the sun than Pluto is, so it must be a real kick in the teeth for fans of the dwarf planet ...

An international team used 40 years' worth of data from two space probes to track down what they believe are signs of this ...

If Earth rode the same orbital highway as Pluto, it too would be a dwarf planet. In fact, we live on a geological body that, if playing on a remote solar-system playground, would be constantly ...

In this region, objects in space could cross any dwarf planet — and Pluto’s — orbit. Pluto also sits within a larger field of objects surrounding the solar system called the Kuiper Belt.