Using one spacecraft to block the Sun and another to observe, the pair will fly in tandem with millimeter-level precision.

Jupiter reaches opposition; meanwhile, the star Canopus shines bright and the constellation Pictor offers many gems to view.

Vesto Slipher was not well known, but his groundbreaking observations helped uncover one of astronomy’s most fundamental ...

By combining JWST and Hubble data, an unprecedented high-resolution photo of Vega shows an extremely smooth and rare disk.

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

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

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 ...

The giant planet hasn’t been this bright in a decade, and it reaches opposition December 7. Now is the time to get out and ...

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