Temperate exoplanet LHS 1140 b may be a world completely covered in ice (left) similar to Jupiter’s moon Europa or be an ice world with a liquid substellar ocean and a cloudy atmosphere (centre). LHS ...

A FIERY hell-world that would instantly roast visitors alive has a vast lava ocean – and may be packed with rare gems. The ...

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Ocean World: The James Webb Space Telescope (JWST) is providing scientists with a closer look at previously discovered exoplanets. Two teams of researchers have now used the NASA telescope to analyze ...

As much as 95% of an exoplanet's water could be trapped forever deep inside its iron core, transforming what we thought we knew about water worlds and potentially rendering them even more habitable ...

Astronomers have recently detected potential signs of microbial life on the exoplanet K2-18b, an ocean-covered world located ...

A multi-institutional team of astronomers, Earth scientists and planetary physicists has found evidence, via data from the James Webb Space Telescope (JWST), that some hycean exoplanets may have ...

A planet relatively close to Earth could be the first ever detected with a potentially life-sustaining liquid ocean outside our Solar System, according to scientists using the James Webb space ...

Scientists have long assumed that, like rocky planets such as Earth, sub-Neptunes begin with molten magma oceans. Their thick hydrogen-rich atmospheres were thought to trap heat efficiently, allowing ...

An artist's concept of 55 Cancri e and its sun. The star is much closer to its sun than any planet in our solar system, so it is too hot to support life. NASA, ESA, CSA, Ralf Crawford (STScI) ...