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

Learn about the recently discovered trans-Neptunian object that may eventually join Pluto as a dwarf planet, found at the ...

On May 21, the International Astronomical Union’s Minor Planet Center announced the discovery of 2017 OF 201, which, because ...

Astronomers have announced the discovery of a new dwarf planet in our solar system, named 2017 OF201. Located far beyond ...

Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million ...

This cataclysm would result from a change in the Higgs field, a quantum field that pervades all of space. It would be ...

The universe is dying much sooner than scientists previously thought. But there's still going to be a long wait until then.

Once thought to be a barren, rocky body, known as Ceres, it is now revealing itself as something far more interesting, in the ...

NASA's James Webb Space Telescope has made the first-ever and long-anticipated detection of ice outside of our own solar ...

Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to form in our solar system ... than 1% of the total time the universe has been around.