The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

"We have been waiting for 10 years to confirm that our finely tuned operations of the telescope would also allow us to access ...

Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...

More than 60 years after the first debunked discovery of a planet orbiting Barnard’s Star, the closest single-star system to ...

Astronomers have confirmed the existence of four planets orbiting a star less than 6 light-years away with help from some of ...

Mar. 17, 2025 — The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away ...

NASA’s James Webb Telescope captured direct images of gas giants in HR 8799, revealing their carbon dioxide-rich atmospheres.

The JWST has spotted the presence of carbon dioxide on HR 8799’s four known planets, part of a system astronomers use to ...

Giant Exoplanets in HR 8799 System Likely Formed Like Jupiter and Saturn The first exoplanet was discovered in the 1990s, but ...

William Lucas, who has died aged 102, was the director of Nasa’s Marshall Space Flight Center in Huntsville, Alabama, the ...