Astronomers have used the James Webb Space Telescope (JWST) to discover that a distant "hot Jupiter" planet has two ...

"We reported hints of methane, but the question is, 'is the methane attributable to molecules in the atmosphere of the planet ...

The hunt is on for terrestrial exoplanets in habitable zones, and some of the most promising candidates were discovered ...

Exoplanet TOI 1227 b is being bombarded by x-rays from its host red dwarf star, causing it to “shrink from the size of ...

Of the seven Earth-sized worlds orbiting the red dwarf star TRAPPIST-1, one planet in particular has attracted the attention ...

More research is needed before scientists can determine whether the recently observed methane signatures point to the presence of an atmosphere or are simply the result of contamination from the host ...

The RISTRETTO project, dedicated to observing Proxima b –the closest exoplanet to the Solar System — is reaching a new milestone: several key components of this high-precision spectrograph have been ...

Astronomers using the James Webb Space Telescope have captured dramatic helium streams pouring off the super-puff exoplanet ...

The James Webb Space Telescope finds WASP-121b leaking two long helium tails, offering new insight into atmospheric escape on hot Jupiter exoplanets ...

For the first time, scientists have continuously monitored a planet's escaping atmosphere over a complete orbit, revealing ...

Our Sun is about halfway through its life, which means Earth is as well. After a star exhausts its hydrogen nuclear fuel, its ...

Published on Key components of the new spectrograph designed at UNIGE have been successfully tested. They will enable analysis of light from the ...