Exoplanet news, features and articles
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Mysterious signals from 'hell planet' 40 light-years from Earth could finally be solved by James Webb Space Telescope
By Paul Sutter published
The hellish super-Earth '55 Cancri e' may be constantly losing and re-growing its atmosphere, a new study of the planet's strange transit signals suggests.
James Webb telescope sees potential signs of alien life in the atmosphere of a distant 'Goldilocks' water world
By Harry Baker published
NASA's James Webb Space Telescope has detected potential traces of dimethyl sulfide, a chemical only known to be created by phytoplankton on Earth, in the atmosphere of an exoplanet believed to have its own liquid ocean.
James Webb telescope could detect life on Earth from across the galaxy, new study suggests
By Harry Baker published
Researchers have shown that if the James Webb Space Telescope was pointed at Earth from a distant star, it could detect the signatures of intelligent life in our planet's atmosphere.
Bizarre 'failed star' the size of Jupiter is 2,000 degrees hotter than the sun
By Joanna Thompson published
This Jupiter-size object is 80 times denser than a planet and hotter than the sun.
A new, Jupiter-size planet is on the verge of being born, and astronomers have incredible images of it
By Brandon Specktor published
A gorgeous new image of a star system 5,000 light-years from Earth could finally explain how Jupiter-size planets are born from chaotic fields of gas.
1st known 'Trojan' planets discovered locked in the exact same orbit around a star
By Ben Turner published
A distant Jupiter-size planet could have the shattered remains of a smaller sibling in its tow.
Star system with galaxy-like 'arms' may be holding a secret planet
By Joanna Thompson published
A distant star system has Milky Way-like spiral arms orbiting it. New research suggests a giant planet may be to blame.
Mirror-like exoplanet that 'shouldn't exist' is the shiniest world ever discovered
By Harry Baker published
A distant planet named LTT9779 b reflects 80% of its star's light, making the strange world with metal clouds the biggest known "mirror" in the universe.
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