I find the outer reaches of our solar system fascinating. It’s a place that we know very little about considering how relatively close it is – even its size is up for debate. It’s littered with icy ...

Using computer simulations, scientists based at NASA have pieced together the story of how the dwarf planet Haumea, found in the Kuiper Belt of icy worlds beyond the orbit of outermost planet Neptune, ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Astronomers have found a distant celestial body — ...

On August 24, 2006, the International Astronomical Union had decided on the official definition of a word that before that day had seemed almost unambiguous. They decided that a planet must meet three ...

Eighteen years ago today, Pluto lost its planetary status in a vote by International Astronomical Union (IAU) members on the final day of their 2006 general assembly meeting. The word "planet" comes ...

Ten observatories in six European countries teamed up for recent observations of a stellar occultation by the dwarf planet Haumea, which surprisingly show a narrow and dense ring orbiting the dwarf ...

The mystery of how Pluto got a giant heart-shaped feature on its surface has finally been solved by an international team of astrophysicists. The team is the first to successfully reproduce the ...