If the object really is Planet Nine, it would be larger than Neptune and exist 700 times further from the sun than Earth.

Astronomer Eliza Kempton said that she had waited her "entire career" to peer into an atmosphere from this mysterious class of planets.

NASA’s Lucy spacecraft captures asteroid Donaldjohanson, marking a new step in its mission to explore the solar system’s ...

With its beautiful rings, Saturn may be the most stunning planet in the solar system. It is the sixth planet from the sun and ...

In an unassuming industrial park 30 miles outside Boston, engineers are building a futuristic machine to replicate the energy that powers the stars. If all goes to plan, it could be the key to ...

Modern astronomers now have an advanced understanding of many of the objects in the night sky, and have even determined that ...

This planet has been named Enaiposha, although its scientific name is GJ 1214 b ... it has similarities with another planet in our solar system, Venus. The closest thing between the two is ...

NASA’s Nancy Grace Roman Space Telescope is gearing up to unlock the deepest secrets of the universe with three ...

By comparing those fingerprints to 20 different molecules that they would potentially expect to observe in the atmosphere, ...

The exoplanet K2-18b could harbor a massive ocean, but scientists will need to study the planet more to see if it’s really ...