A planet so distant that its starlight began traveling toward Earth around the Middle Ages has given one University of ...

New work from Carnegie’s Alan Boss and Sandra Keiser provides surprising new details about the trigger that may have started the earliest phases of planet formation in our solar system. It is ...

A rare comet from another star system is revealing just how different alien solar systems may be from our own.

A research team led by University of Minnesota School of Physics and Astronomy Professor Yong-Zhong Qian uses new models and evidence from meteorites to show that a low-mass supernova triggered the ...

The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away that has long been a ...

An image from the ALMA telescope array in Chile shows jets of silicon monoxide blowing away from the young star HOPS-315. The blue jet is moving towards Earth, and the red jet is moving away from us.

Fluctuating levels of radioactive iron-60 suggest the solar system recently entered a cosmic cloud.

While the upcoming total solar eclipse is a special moment to reflect on our place in the universe, scientists have been studying the birth of the sun and the formation of our solar system for a long ...

Jupiter’s moon Ganymede is larger than the planet Mercury, hides a massive ocean beneath ...