For decades, astronomers believed our Solar System was a typical model of how planetary systems should form. But recent discoveries are reshaping that view, revealing that our cosmic neighborhood may ...

Nasa's powerful James Webb Space Telescope is showing us something humankind has never witnessed firsthand before: The birth ...

Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the ...

Astronomers are tracking a newly spotted comet, named 3I/ATLAS, hailing from parts unknown. It is only the third time such an ...

Evidence that rocky planets beyond Jupiter formed as rapidly, and at the same time, as the inner planets could transform our ...

Nearly a month ago, a mysterious object was seen hurtling through the solar system and later confirmed as an interstellar ...

"This is a big step in understanding the outer solar system," team leader Rosemary Pike from the Center for Astrophysics | ...

Ever since the International Astronomical Union recognized Haumea and Makemake as dwarf planets in 2008, University of Maine ...

Astronomers have discovered the earliest seeds of planets forming around HOPS-315, a baby star located 1,300 light-years away ...