The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and ...

Learn what planet rains molten iron and which planet has two moons like Tatooine in Star Wars.

All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't ...

The findings provide strong evidence that four giant exoplanets 130 light-years from Earth formed much like Jupiter and ...

Researchers suggest that certain gases detected in the atmospheres of exoplanets could be key indicators in the search for ...

The European Space Agency announced Thursday the Gaia spacecraft was turned off after a decade of data gathering.

After more than a decade mapping out our home galaxy, the Gaia space telescope was powered down and sent into "retirement ...

The ESA has finally shut down Gaia, its mind-blowing space mission to map the Milky Way. Despite its retirement, Gaia is far ...

The gas giants outside our solar system are not capable of hosting extraterrestrial life, but do offer clues in a lingering ...

"We can see, for the first time, rings of dust surrounding protoplanets made visible by the bright starlight reflecting off ...