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 ...

Why do the planets orbit in almost the same plane and direction? It’s not a coincidence—it’s physics at work. In this video, we rewind billions of years to see how a collapsing cloud of gas and dust, ...

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

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

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

On Dec. 17, 2018, the International Astronomical Union’s Minor Planet Center announced that 2018 VG18, nicknamed ‘Farout’, ...

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

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

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

Aliens may have been closer to Earth than first thought. New research from NASA reveals that Ceres, the dwarf planet in the ...

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