Researchers using the Hubble Space Telescope have discovered water vapor in the atmosphere of planet K2-18b, located about ...

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 ...

TOI-270 d, far from being an ocean world, appears to be a scorching super-Earth enveloped in a dense atmosphere. Observations from the James Webb Space Telescope have revealed the presence of carbon ...

Astronomers have just uncovered fascinating signs we may not be alone in the universe. RNZ talks with an astrophysicist about ...

Meet K2-18b: The Earth's twin? K2-18b is an exoplanet orbiting ... That’s when scientists first detected water vapor in K2-18b’s atmosphere — cue the interstellar buzz.

a super-Earth, and a Neptune-size gas giant. | Credit: Robert Lea (created with Canva) Habitable zones are defined as regions around stars that are temperate enough to allow liquid water to exist ...