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.

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

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 ...

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 ...

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.

Pertussis infections have surged in recent months, and some people may need an additional shot for protection.

As science develops and our observational instruments improve, there’s a growing optimism within the exoplanet community that ...

The newly discovered planet orbits a Sun-like star and might support liquid water, but don’t pack your bags just yet.

In a Cantonese opera in Hong Kong, a Chinese actor playing a fictionalized version of President Trump parodies events of his presidency, including sparring with another actor playing Ukrainian ...