Artist impression of the four classes of planetary system architecture. A new architecture framework allows researchers to study an entire planetary system at the systems level. If the small planets ...

Across the galaxy, astronomers now see that planetary systems fall into four broad classes, and our own solar system, part of the rare Ordered group, is only one of them. At the same time, discoveries ...

The fourth planet in the system is a rocky world, while the second and third ones are gas planets.

Forty light-years away, seven Earth-sized planets orbit around a dim red dwarf star in one of the most tightly packed planetary systems ever discovered. The TRAPPIST-1 system has captivated ...

The Nebular Origins of the Universe Research Laboratory will connect pre-planetary evolution to planetary formation to understand the chemical origins of planetary systems SAN ANTONIO — December 1, ...

Debris disks are circumstellar structures composed of dust and rocky debris generated by collisions among planetesimals and other small bodies. These disks offer a direct window into the dynamical ...

The dazzling lights of the aurora are created when high-energy particles from space collide with Earth's atmosphere. While scientists have long understood this process, one big mystery remained: What ...

An international team of astronomers using observations made with the James Webb Space Telescope have found evidence of massive planets out there that’re capable of forming their own planetary systems ...

Move over TRAPPIST-1 – there’s an exciting new planetary system in town. Meet Kepler-385, home to seven Super-Earths that were just discovered in existing data. Located about 4,670 light-years from ...

Four planets orbiting a newly born star in our galaxy are so light that they have the density of polystyrene, and could provide a key missing link in helping us understand how the most common ...