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.

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

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

New models using Voyager 2 data show that separate layers in the planets’ mantles could be creating disordered magnetic ...

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.

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

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

The Epoch of Reionization — the universe’s last major transition — may have happened earlier than previously thought.