Dark matter refers to material that does not absorb, reflect, or emit any electromagnetic radiation. Astronomers have ...

Our sister planet is thought to have once been a habitable world, but a new study could change that narrative and alter the ...

In this episode, Dave Eicher invites you to observe the Moon passing by Saturn on the evening of December 7. Both objects at ...

Transits, occultations, eclipses, and shadow transits of the jovian moons are perfect events for telescopic viewing.

Jupiter reaches a stunning opposition, Mars is brilliant, Saturn and Venus light the evening sky, and Mercury rises before ...

Check out the newest telescopes, accessories, books, and more from the top brands in the industry this December.

In 1986 and 1989, Voyager 2 made the final two stops on its grand tour of the outer solar system when it swept by Uranus and Neptune, respectively. Now, nearly 40 years later, the archive of data ...

The James Webb Space Telescope (JWST) shows off its infrared capabilities once again in new imaging of the well-known ...

Open star clusters sparkle as Luna and Venus line up and Jupiter’s moons jockey for position in the sky this week.

Are you in the historic city? Drop into 605 Chestnut Street to find a store that brings the entire universe right into your ...

For decades, astronomers have puzzled over how the supermassive black holes residing in the center of galaxies form. Now, ...