The solar system lost its ninth planet back when Pluto was demoted to a dwarf planet, but research might indicate that there ...

Astronomers have discovered what they think may be another moon orbiting a distant dwarf planet called Quaoar. This small, ...

Is the future great planetary laboratory hurtling in our direction incognito, veiled in gloom and cold? That’s what ...

Astronomers have uncovered a massive new trans-Neptunian object, 2017 OF201, lurking at the edge of our solar system. With an ...

A new trans-Neptunian object, 2017 OF201, has been found with a vast orbit and potential dwarf planet size. The finding hints ...

Harvard astronomer Avi Loeb argued interstellar object 3I/ATLAS "could either visit us or release some mini-probes that ...

A Jupiter-like planet has been found orbiting a young sun-like star in a solar system far away in what is a potentially ...

The coldest planet in the Solar System is Uranus, which is surprisingly colder than Neptune due to its unique internal heat ...

When 1I/'Oumuamua was first spotted in 2017, astronomers quickly determined that it came from outside the solar system. But ...

Astronomers have directly spotted a rare young planet, WISPIT 2b, still forming within the gap of a dusty ringed disk around ...

The odds for life existing on other planets has just skyrocketed after a NASA rover unearthed new evidence on Mars. The odds ...

Astronomers are researching an Earth-like exoplanet that could contain water, according to NASA. The exoplanet, named ...