A newly discovered dwarf planet called 'Ammonite' (2023 KQ14) has been spotted in the outer solar system, and it could be ...

New observations fail to confirm signs of life in the atmosphere of the distant planet K2-18b. They also raise questions ...

In a cosmic first, scientists watched planet-forming materials begin to solidify around a newborn star, offering a peek into ...

Evidence that rocky planets beyond Jupiter formed as rapidly, and at the same time, as the inner planets could transform our understanding of how planets take shape — not only in our solar system, but ...

Astronomers may have caught a still-forming planet in action, carving out an intricate pattern in the gas and dust that ...

Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a ...

A tiny object far beyond Pluto, newly discovered by the Subaru Telescope, could reshape our understanding of the early Solar System. Named 2023 KQ14, this rare “sednoid” follows an unusual orbit that ...

Astronomers have, for the first time, observed the very beginning of planet formation around a star beyond our Solar System.

Using data from the James Webb Space Telescope, astronomers have discovered dormant galaxies with a wide range of masses in the first billion years after the Big Bang, moving one step closer to ...

Astronomers witness first moments of planet formation as rock grains crystallize around distant star HOPS-315.