Protoplanetary disk, the cradle of the solar system? A cosmic “donut”.
A study of iron meteorites reveals that the Solar System's protoplanetary disk initially had a toroidal shape, not a flat one.
Scientists at Caltech: more clues to a ninth planet in the Solar System
The mystery of the strange orbits of trans-Neptunian objects could be solved by the existence of Planet 9, according to two new studies published by Caltech researchers.
Is there a sister planet of Earth hidden in the Kuiper Belt?
A series of new observations of our solar system reveal that the Kuiper belt may hide an Earth-like planet
Discovered a mysterious solar system completely different from ours
A solar system with never-before-seen features offers new insights to astronomers.
Stellar motors, that is: how to move a solar system
Some scientists have been thinking about how to harness energy from the sun to move entire solar systems. Stellar engines, compelling nonsense.
