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Exoplanet

Space

Astronomers still can't agree on what counts as a planet

In 2006, the International Astronomical Union came up with a new way to classify planets that famously saw Pluto downgraded. Now a new row has started as astronomers try to define exoplanets

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An artist?s impression of the white dwarf star WD1054?226 orbited by clouds of planetary debris and a major planet in the habitable zone.

Space

First hints of a planet orbiting in a white dwarf’s habitable zone

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Proxima d

Space

Tiny exoplanet Proxima d is third spotted in nearest star system to us

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colour-enhanced image of the inside of a NIF preamplifier support structure

Space

Long-lasting radiation shields may make super-Earths friendly for life

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Depiction of a moon orbiting a Jupiter-like exoplanet

Space

Astronomers may have found a huge moon around a Jupiter-like exoplanet

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most massive planet-hosting star pair to date

Space

An unexpected giant planet is orbiting a massive pair of stars

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The exoplanet GJ 367b

Space

Extremely dense planet with an enormous iron core has an 8-hour year

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Red Jupiter-like planet

Space

Small Jupiter-like planets hint we need to rethink how gas giants form

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Is our solar system a cosmic oddity? Evidence from exoplanets says yes

Space

Is our solar system a cosmic oddity? Evidence from exoplanets says yes

Features

A hot planet transits in front of its parent star in this artist impression of an exoplanet system.

Space

An ultra-hot gas giant exoplanet orbits its star once every 16 hours

The second hottest planet ever found is being pulled into its star faster than any planet we have seen before

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Space

US astronomers plan $11 billion telescope to picture another Earth

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Space

Jupiter-like planet survived the death of its star without harm

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Space

Other planets in our solar system can masquerade as Earth from afar

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Space

Exoplanet in a triple star system may orbit all three at once

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