Astronomers have uncovered a distant celestial body that may be a new dwarf planet, orbiting the Sun from more than twice the distance of Pluto. Found by researchers at the Institute for Advanced ...

A pair of European satellites have created the first artificial solar eclipses by flying in precise and fancy formation, providing hours of on-demand totality for ...

Astronomers using the James Webb Space Telescope have peered into a mysterious, blue haze cloaking the surface of Pluto — and ...

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

More specifically, with the Moon blotting out the main disk of the Sun, we can see details and features in the solar ...