Mars has a huge network of canyons that stretches about 2,500 miles (4,000 kilometers) across its equator. This canyon system, called Valles Marineris, is the largest in the solar system, dwarfing ...

NASA scientists have recently made a groundbreaking discovery about potential alien life within our own solar system, a finding that could have significant implications for our understanding of ...

The ice giant Uranus is one of the most fascinating objects in the solar system, with its sideways rotation, intricate ring ...

A new technology is allowing astronomers to take sharper than ever photographs of the night sky, revealing secrets of the solar system and the universe beyond. A close-up of the central region of the ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

Astronomers have uncovered a massive new trans-Neptunian object, 2017 OF201, lurking at the edge of our solar system. With an orbit stretching 25,000 years and a size that may qualify it as a dwarf ...

Launius, Roger D. 2009. [Book review] "Planetology: Unlocking the Secrets of the Solar System." Quest: The History of Spaceflight Quarterly, 16, (1), 64–64.

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...

Illustration comparing the planets of the Solar System and the Sun on the same scale. The planets are shown to scale relative to each other but their distances are not. From left to right the bodies ...

Add Yahoo as a preferred source to see more of our stories on Google. First imaged by NASA's Mariner 9 spacecraft in 1972, Valles Marineris has been captured by the HiRISE camera on NASA's Mars ...