Sixteenth century Danish astronomer Tycho Brahe laid the framework for modern cosmology without ever using a telescope.

A recently shared image of a distant galaxy surrounded by three concentric rings challenges our understanding of galactic ...

A solar wind event squashed the protective bubble around Uranus just before Voyager 2 flew by the planet in 1986, shifting ...

Mid-November is jam-packed with astronomy events, including the Leonid meteor shower ... The term supermoon is more than a viral nickname. As the moon orbits the Earth, it reaches points where it is ...

The Arecibo message contained an image of a man only. But what might seem a sexist choice deserves a more subtle ...

An international research team, including Yale’s Pieter van Dokkum, has discovered a trio of supermassive “Red Monster” ...

has been a hot topic in astronomy research in recent years. Now that we are beginning to unravel this cosmic mystery, ...

In 1963, the Arecibo Observatory became operational on the island of Puerto Rico. Measuring 305 meters (~1000 ft) in diameter ...

A ninth planet may exist beyond Neptune in the Kuiper Belt, a region populated by icy bodies that orbit the Sun.

Astronomers have been curious about the makeup of Ceres, the largest object in the asteroid belt, ever since its discovery by ...

Impact craters found around the Earth that were made around the same time could be linked to debris falling from a ring, a new study suggests ... of gravitational wave astronomy to argue that ...