A star and its planets form when a cloud of gas and dust collapses in on itself somewhere in space. The cloud then forms a ...

Planets without stars to orbit raise important questions about how planets evolve and what habitability might look like ...

Learn how the exoplanet GJ 3090 b travels around its host star in a backward orbit, offering new insight into the evolution ...

Astronomers confirmed Elias 2-24 b as the youngest known exoplanet, offering a rare glimpse of a giant planet still forming.

Binary stars are born in the same cloud of molecular gas, and should share the same chemical composition. But sometimes they ...