Scientists have identified an object about 435 miles (700 km) wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting it as it travels on a highly ...

Learn how a possible ninth planet, the theoretical Planet X, could have acquired its wide orbit in the outer Solar System - a ...

Astronomers have discovered a mysterious dwarf planet, 2017 OF201, far beyond Pluto. This discovery challenges existing ...

The International Astronomical Union’s Minor Planet Center, which catalogs new moons and other small bodies in the solar ...

Inside the Dwarf 3, you'll find a Sony IMX678 Starvis 2 sensor, which specializes in low-light imagery, though its daytime ...

Apples-to-apples comparisons in the distant universe are hard to come by. Whether the subject is dwarf galaxies, supermassive black holes, or 'hot Jupiters,' astronomers can spend months or years ...

The solar system consists of our star, the sun, and everything bound to it by gravity: the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune, along with dwarf planets like ...

An international team used 40 years' worth of data from two space probes to track down what they believe are signs of this ...

Pluto was discovered at Lowell Observatory in Flagstaff, Arizona in 1930 and was considered our ninth planet until 2006. The International Astronomical Union reclassified Pluto as a dwarf planet ...

Today it is considered one of many dwarf planets beyond Neptune ... or up to 100 telescopes strategically distributed to map out the shape of an object and discover or characterise satellites ...

More than 3,000 of these objects — including dwarf planet Pluto — have ... put a limit for how bright we think Planet Nine might be." The survey will map the sky in the Southern Hemisphere ...