Wachmann, also known as Schwassmann-Wachmann 1, glows at 13th magnitude near Leo’s forefoot early this evening.

Today in the history of astronomy, Albert II provides invaluable physiological data, part of a long line of animal ...

This Milky Way photographer has had many shots “ruined” by equally beautiful lights. Here are some of the best aurora images ...

Although the repeating cycle of sunspots was first seen in the mid-18th century, the fact that the Sun went through cycles ...

Astronomy interviews Sally Ride's life partner Tam O’Shaughnessy and director Cristina Costantini ahead of 'Sally' ...

In the northern part of the constellation you’ll find NGC 7008, sometimes called the Fetus Nebula due to its unusual shape.

Saturn’s two-toned moon reaches its greatest western elongation, when it shines brightest far west of the ringed planet.

Earth’s companion has allowed astronomers to define lunar cycles, navigate without technology, and understand celestial ...

Leo sees action as both Mars and Comet Schwassmann-Wachmann 1 move through; plus, spot galaxies and noctilucent clouds in the sky this week.

June’s Full Moon is also called the Strawberry Moon, but don’t let the name fool you — it won’t be turning pink in the sky!

The galaxy LEDA 1313424 has been nicknamed the Bullseye Galaxy, thanks to the nine rings that circle its bright center.

Jupiter joins Mercury in early twilight as Mars lingers with Leo after dark. Saturn is visible in the morning, meeting ...