Astronomers may have found the long-missing half of the universe's regular matter—and it appears to have been right under our ...

Antiques Roadshow expert Marc Allum left one guest speechless after he valued the price of an item made by a famous member of his family.

New research has revealed that the cosmological model developed by Nicolaus Copernicus, the renowned European Renaissance ...

The Maria Mitchell Association is named for an astronomer, librarian, naturalist, and educator who discovered a telescopic ...

To take a look at the comet yourself, you’ll want to head outside just before dawn and look toward the northeast horizon.

Meet the author: Dr. Phil Plait is an astronomer, author, and science communicator with a PhD in astronomy at the University of Virginia. He has written four books on astronomy and consulted on space ...

Astronomer Charles Steinhardt said most stars we see "might have formed under different conditions than we previously believed." ...

Although the impact of Comet Shoemaker-Levy 9 seems like a once-in-a-lifetime event, impacts still occur at Jupiter. You ...

The Royal Museums Greenwich website says that there was no uniform way to figure out the date for Easter until AD 325. It ...