The Kepler-10 planetary system is clearly a ... while 10 c goes around in 45 days. The planets were discovered because the two worlds pass in front of their star, creating a small eclipse.

Explore This SectionExoplanets HomeExoplanets OverviewExoplanets FactsTypes of ExoplanetsStarsWhat is the Universe Search for ...

Exoplanets—planets that orbit stars beyond our solar system—have transformed our understanding of the universe. Since the ...

Astronomers have discovered that "super-Earth" planets may exist on wider orbits than previously thought — and this implies these rocky, or "terrestrial," worlds are far more common than was suspected ...

At long last, particles of water–ice have been discovered in the frozen Kuiper Belt of another star. The discovery, made by ...

A new study released on Thursday describes a search for what are called "microlensing" events, where a planet acts as a ...

NASA's James Webb Space Telescope has found water vapor swirling in the air of a distant, boiling-hot alien planet, a new ...

Astronomer Eliza Kempton said that she had waited her "entire career" to peer into an atmosphere from this mysterious class ...