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

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

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

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 ...

Although the Astronomer Royal post is largely honorary today, it has long been a title awarded to the most prominent ...

NASA’s 2026 budget proposal includes a 47 percent cut to its science division. A planned June 12 public meeting has been ...

A cloud of energetic gas lit up by a collision of galaxies spans nearly 20 million light-years, leading astronomers to ...

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

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

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

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