Around the bright star Fomalhaut, astronomers spotted glowing clouds of debris left behind by colossal collisions between ...

On Saturday (Jan. 10), for example, we will see three satellites on one side of Jupiter (going outward from the planet: Ganymede, Io and Europa ), while the fourth ( Callisto) remains all by itself on ...

A solar conjunction occurs as Venus' orbit carries it into alignment with the sun and Earth. Venus will align with the sun ...

Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously ...

In the vast calm of the solar system, planetary orbits often appear orderly, stable, and insulated from the broader mechanics ...

Universe Today reports on a new telescope proposal that could help astronomers detect Earth-sized exomoons, explaining current limits, future technology, and why moons around distant planets matter ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

It was almost 100 years ago that Clyde W. Tombaugh discovered Pluto. That was the last planet found until 1992, when humans found another one. But this new planet wasn't in our solar system—it was ...

The theory, spearheaded by astronomer Michele Bannister and her investigative team at the University of Canterbury in New ...

Last year delivered doses of drama and excitement in the space business, with a record number of launches, breathtaking ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space telescopes and orbiters have been documenting the rare visit. A mysterious ...

Overview Energy plans to develop satellites collecting solar power in geosynchronous orbit and beaming it to Earth using near-infrared wide-beam lasers. Credit: Overview Energy WASHINGTON — A space ...