"This is a big step in understanding the outer solar system," team leader Rosemary Pike from the Center for Astrophysics | ...

Researchers use the Subaru Telescope in Hawaii to find a small object on the outer edge of the Solar System. Nicknamed ...

A team of astronomers led by the Center for Astrophysics | Harvard & Smithsonian has discovered a rare object far beyond ...

The now-waning Moon is passing through Pisces in the early-morning sky. Our satellite slides 3° north of Neptune at 6 A.M.

A telescope has discovered a new world on the edge of the Milky Way – potentially confirming the ‘Planet X’ theory. Beyond ...

Today, we're going to delve into each retrograde period of this summer and explore their potential impacts of each and their ...

The moon, Saturn and Neptune will rise a little before midnight for those in the U.S. Heads up stargazers! The moon will rise close to Saturn and the ice giant Neptune in the eastern sky on the night ...

Several planets stand still in the sky, Titan’s shadow transits Saturn, and Venus gives Taurus a second eye in the sky this ...

Ammonite was discovered using the Subaru Telescope in Hawaii, with follow-up confirmation from the Canada-France-Hawaii ...

Spiritual Neptune, on the other hand, is fluid and esoteric. As the planet of illusions and the subconscious, Neptune’s sense ...

Astronomers have discovered a "fossil" world lying in the outskirts of the solar system, according to new research.