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.

Astronomers have discovered a gas giant, TOI-6894b, orbiting a small red dwarf star, challenging existing planet formation models. This Saturn-sized planet, located 241 light-years away, defies the ...

Researchers found the object named 2017 OF201 while searching for "Planet Nine" - a hypothetical planet thought to exist ...

Scientists have discovered a few thousand planetary nebulas in the Milky Way. Those include the Ring Nebula, aka NGC 6720 and Messier 57. With Webb, the researchers could see a compact dust cloud ...

TOI-6894 is roughly 240 light-years from Earth in the constellation Leo and is the smallest-known star to host a large planet ...

A newly discovered gas giant, called TOI-6894b, orbiting a low-mass red dwarf star defies existing models of planet formation ...

Gaia-4b is the most massive planet known to orbit a low-mass star. Also, see an animation for Gaia-5b, a brown dwarf orbiting ...

For decades, Pluto was thought to be just another frozen rock spinning around the Sun, far from the action and mystery of the ...

Discover interesting facts about the sun, the solar system's central star that supports all life on Earth.

Enjoy a close conjunction of the solar system’s smallest and largest planet just days before the Full Strawberry Moon this ...

Four out of the five brightest stars we can see are now readily visible in the early evening Butler celestial dome. Of course ...

A young Microsoft engineer has proposed a radical idea to combat climate change — detonating an 81-gigatonne nuclear bomb beneath the ocean floor to pulverise basalt and sequester carbon dioxide.