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 ...

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

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

It was a year that saw roughly six million Americans hold hands in a continuous (more or less) line across the country to ...

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

Solar power is already one of the fastest growing sources of electricity on the planet, yet scientists say it is still only ...

Experience the exceptional Van Cleef & Arpels Planétarium automaton, a masterpiece of watchmaking and unique narrative design ...

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

The sun’s outer atmosphere resembles a pufferfish.

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune ...

Their analysis showed that the planet lies about 3,000 parsecs, or just under 10,000 light-years, from Earth. Its mass is ...

New images from NASA 's Hubble Space Telescope have revealed an enormous, oddly shaped disk of gas and dust around a single ...