How do you weigh a planet you can't see? Astronomers may have the answer and it involves "reading between the rings," the ...

A bright ring of dust circling a young star can look calm from far away. In reality, it may mark one of the messiest moments ...

How do you weigh a planet you can't see? Astronomers may have the answer.

A computer visualization maps small bodies in the solar system that are expected to be observed by the Rubin Observatory during the 10-year Legacy Survey of Space and Time. Red indicates near-Earth ...

University of Warwick astronomers have found a new way to estimate the masses of planets hidden inside the dusty disks surrounding young stars.

Scientists have discovered a bizarre planetary system where a rocky world orbits farther out than giant gas planets, defying long-standing theories of planet formation. The finding hints that some ...

Earth and Mars were formed from material that largely originated in the inner solar system; only a few percent of the building blocks of these two planets originated beyond Jupiter's orbit. A group of ...

Looking at the Solar System, Jupiter and Uranus both have plenty of irregular moons. In supercomputer simulations, the ...

The black star represents the position of the star. The colored lines are the orbits of two planets. The yellow one is the outer, and it is highly inclined. The inner one is the red one. As time ...