Webb telescope directly observes exoplanet CO₂ for first time

5 of the Strangest and Most Dangerous Exoplanets Ever Discovered

Learn what planet rains molten iron and which planet has two moons like Tatooine in Star Wars.

What Happens When Planets Orbit Too Close to Fiery Young Stars

Young, close-orbiting exoplanets known as sub-Neptunes may form farther from their stars and migrate inward or lose their atmospheres over time, according to new findings using NASA’s TESS data. Researchers at Penn State developed a tool called Pterodactyls to cut through stellar noise and study planets around young stars, discovering that the frequency of sub-Neptunes [...]

James Webb Space Telescope could find signs of life on alien 'hycean' ocean worlds

JWST could potentially detect the signature of methyl halide compounds, produced by microbial life in Earth's ocean, on hypothetical hycean exoplanets.

Webb telescope directly observes exoplanet CO₂ for first time

The James Webb Space Telescope has directly observed the key chemical of carbon dioxide in planets outside of our solar system for the first time, scientists announced Monday.

TOI-1453: sub-Neptune in system of two exoplanets

Discovery a super-Earth and a sub-Neptune 250 light years away from our solar systemSource:University of LiègeSummary:Astronomers have discovered two exoplanets around TOI-1453, a star about 250 light years away. These two exoplanets, a super-Earth and a sub-Neptune, are common in the galaxy, yet are absent from our system. This discovery paves the way for future atmospheric studies to better understand these types of planets.FULL STORYAstronome…

See colorful giant exoplanets in astonishing new Webb images

View larger. | This is the Webb space telescope’s view of the 4 young, colorful giant exoplanets in the HR 8799 system, 130 light-years away. The atmospheres of all 4 planets are rich in carbon dioxide. This suggests that they formed much like Jupiter and Saturn, by slowly building solid cores that attract gas from within a planet-forming disk, or protoplanetary disk. Image via NASA/ ESA/ CSA/ STScI/ Laurent Pueyo (STScI)/ William Balmer (JHU)/ …