Top 10s plays eerie recordings of strange planetary sounds picked up by NASA. Donald Trump's approval rating fades after "big ...

No telescope has basked in the night sky quite like the enormous new Vera Rubin Observatory. Here's what it could reveal ...

For years, scientists have been scanning the icy outskirts of our Solar System for an unknown massive planet. The ...

A team of researchers say they have found the "strongest statistical evidence yet that Planet 9 is really out there", after studying a population of distant, unstable objects that cross Neptune's ...

The Earth and the Moon found out that there is a Ninth planet, and they decided to find it... Welcome to the SpaceBalls channel!

Dwarf Planets Scientists found a possible new dwarf planet — it could spell bad news for Planet 9 fans. Exoplanets A tiny star gave birth to a giant exoplanet, but no one knows how.

Vera C. Rubin observatory to film 10-year-long night sky 'movie' : Short Wave Some scientists are convinced that beyond Neptune, there's a planet they've yet to see. This so-called "Planet 9" is ...

Kepler-725c's mass is quite significant — 10 times greater than the mass of Earth.This places it in the upper echelons of a type of planet called super-Earths — giant, probably rocky worlds.

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.

Over the past decade or so, astronomers have speculated about the characteristics of rogue planets in the Milky Way galaxy. These "free-floating" worlds don't orbit stars, but instead roam the ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...