The small world was found during a search for the hypothetical Planet Nine, and astronomers say the next time it will reach ...

As it orbits the sun once every 25,000 years, the celestial body 2017 OF201 travels beyond the Kuiper Belt into a region ...

Our solar system’s origin story spans billions of years and involves clouds of gas, cosmic collisions, and planetary ...

“Dr. Pimple Popper: Breaking Out” airs at 8 p.m. and 9 p.m. Monday, May 26, on Lifetime.

The International Astronomical Union’s Minor Planet Center, which catalogs new moons and other small bodies in the solar ...

House Speaker Mike Johnson discusses the House budget bill supported by President Donald Trump and more on ‘Fox News Sunday.' ...