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 ...

Scientists have recently unveiled an extraordinary discovery: a massive ‘interstellar tunnel’ that appears to link our Solar ...

The eyes of every astronomer widened this year when an interstellar traveler was discovered in our solar system.

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

Astronomers have recently turned their attention to a mysterious object from outside the solar system—3I/ATLAS. By analyzing ...

Comet 3I/ATLAS is the third confirmed interstellar object to pass through our solar system, following the discovery of ...

At the moment, 3I/ATLAS is outgassing as it reaches out sun, with the JWST and NIRSpec finding that carbon dioxide, water, ...

Astronomers have discovered an ancient solar system estimated to be 11.2 billion-years old. This makes it more than twice the age of our own solar system and almost as old as the universe’s 13.8 ...

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

Astronomer and Pluto mission leader S. Alan Stern explores how the field has transformed during his decades-long career.

Astronomers have discovered a brand new type of planet outside our solar system that, even in its infancy, is already bigger ...