A visitor from beyond the solar system has given astronomers their clearest read yet on the conditions under which it was born. New spectroscopic analysis of the interstellar comet known as 3I/ATLAS ...

Five ions detected in 3I/ATLAS reveal an unusually nitrogen-rich comet whose ices may preserve an extraordinarily cold ...

It's an exciting time for the fields of astronomy, astrophysics, and cosmology. Thanks to cutting-edge observatories, instruments, and new techniques, scientists are getting closer to experimentally ...

Study of inclusions in a primordial meteorite suggests that magnetism must be considered in simulations of planet formation, ...

A team combined compositional data of primitive bodies like Kuiper Belt objects, asteroids and comets with new solar data sets to develop a revised solar composition that potentially reconciles ...

A new study published in The Astrophysical Journal has traced six chemically distinct families of the Solar System's oldest meteorites to a single ring-shaped dust trap just beyond Jupiter's orbit — ...

Before Earth existed — before the Sun ignited — ancient stars lived out their full lives, forged their elements, and died. A study published July 29 in Science Advances now shows that some of their ...