Travel the universe from your seat with our picks from the annual ZWO Astronomy Photographer of the Year competition.

The debate over the existence of extraterrestrial life touches literature, religion, and science in 17th century Europe.

Imagine taking a trip to the outer reaches of our Solar System, to a place few have ever seen up close. Uranus, the icy giant, is a world of extremes, violent, cold, and unlike any other planet you ...

The giant hole was spotted facing Earth, likely firing solar winds at our planet that could lead to spectacular auroras.

But over the summer, 3I/ATLAS, has plunged toward the inner solar system—and the fireworks show has begun in earnest. When ...

While we’ll all be under the influence of this cazimi, three signs in particular will be most sensitive to its effects. Read ...

Greetings, stargazers. Saturday is named for the prominent figure in Roman mythology. In addition to stargazing, this month should be great for Saturn-gazing. To ancient astronomers, Saturn was one ...

Some planets may be soot-rich rather than water-based. Atmosphere studies will be key to understanding their true nature.

These celestial wonders can tell us a lot about the state of the atmosphere at home on Earth as well as on other planets.

The earliest images of 3I/ATLAS, newly uncovered by Michigan State University, reveal how the interstellar object evolved as ...

This was an unexpected and coincidental discovery of a small, icy, egg-shaped planet in the outermost reaches of our solar ...

That raises the possibility that the TRAPPIST-1e exoplanet could also have liquid water and therefore support life.