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.

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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 ...

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 ...

New views of TOI-421 b by JWST gives insight into how the most common type of planet in the galaxy might form.

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