The largest map of the universe, created with data from the James Webb Space Telescope, shows almost 800,000 galaxies crammed ...

Researchers found the object named 2017 OF201 while searching for "Planet Nine" - a hypothetical planet thought to exist ...

A fascinating discovery has revealed the tiniest dinosaur ever identified. Epidexipteryx, roamed the Earth during the ...

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.

As astronomers study an exoplanet called K2-18b, conflicting research reveals how difficult it is to find evidence of life ...

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

Scientists' best explanation for how planets form is called the core accretion theory. The birth of a planetary system begins ...

Gavin Wang at Johns Hopkins University in Baltimore, Maryland, and his colleagues used the WIYN telescope in Arizona to ...

Astronomers have been left puzzled by the discovery of an unusually large planet orbiting a remarkably small star, a cosmic ...

The discovery defies current understanding of how planets form. The star is only about a fifth the mass of the sun. Stars this size should host small planets akin to Earth and Mars under the leading ...

Astronomers have spotted a cosmic mismatch that has left them perplexed - a really big planet orbiting a really small star.

Giant planets are not rare per se — after all, we have four in our own solar system. Such large worlds are, however, rarely ...