A team led by UdeM researchers confirms a fifth potentially habitable planet around L 98-59, a red dwarf 35 light-years away.

Though our solar system and the movement of its planets appear relatively sedate, there are many things that could upset the ...

The newfound exoplanet, called Kepler-139f, is a gigantic world roughly twice the mass of Neptune and 35 times the mass of ...

The Solar System is a fascinating place, with each planet orbiting the Sun at its own unique distance. But how far apart are ...

A tiny object far beyond Pluto, newly discovered by the Subaru Telescope, could reshape our understanding of the early Solar ...

The other object is 2014 NX 65, which is definitely not resonant with Uranus but might have an inner 3:2 resonance with ...

A new laboratory experiment uses a water vortex to investigate how planets form from material in protoplanetary gas and dust ...

For reference, Pluto’s average distance from the Sun is about 40 AU, so 2023 KQ14 is quite distant. At 23.4 billion miles (37 ...

Astronomers have spotted centimeter-sized “pebbles” swirling around two infant stars 450 light-years away, revealing the raw ...

A planet is defined by three qualities: It orbits the sun, it's mostly round, and it's massive enough for its gravity to have mostly kicked large objects from its orbit. Pluto and some other known ...

According to study co-author Dr Fumi Yoshida, Neptune is the only known massive object near the outer Solar System that could ...

A NEW Earth-sized planet has been discovered in a faraway constellation – and it would kill any astronaut who dare travel ...