For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

The discovery of the exoplanet, a super-Earth called Kepler-735c, is all down to something called transit timing variations, ...

Astronomers at UCL and the University of Warwick, as part of a global collaboration including partners in Chile, USA and ...

Star TOI-6894 is just like many in our galaxy, a small red dwarf, and only ~20% of the mass of our sun. Like many small stars ...

OF201 is incredibly lightweight on a cosmic scale. Scientists estimate its mass is about 20,000 times less than Earth’s and ...

The best astronomy cameras open a window to the universe, revealing celestial wonders invisible to the naked eye. This buying ...

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

In a thrilling development that challenges long-held assumptions about the outer reaches of our solar system, astronomers ...

A recent study found that Jupiter was once twice the size that it is now, making it big enough to swallow up 2,000 Earths.

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access information on a device and to provide personalised ads and content, ad and ...

are needed to determine the object's exact size. Cheng discovered the object as part of an ongoing research project to identify TNOs and possible new planets in the outer solar system. The object ...

Some became rocks the size of baseballs, others the size of a house, and a few as big as a planet. This process, called accretion, is how everything in the solar system – planets, moons, comets and ...