The James Webb Space Telescope has spotted a 'rogue' cosmic object barrelling through our galaxy without a star, and covered ...

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 ...

Using the James Webb Space Telescope (JWST), astronomers have peered into the atmosphere of a cosmic body that could be a rogue planet or a "failed star." Either way, the world wanders the cosmos ...

The researchers peered through the atmosphere of WASP-121b, a planet also ... of layers with different chemical compositions and intense winds. Until now, researchers have been able to determine ...

Olmsted For the first time, astronomers have mapped the 3D structure of an alien planet’s atmosphere ... scientists detected a layered atmosphere similar to Earth’s but far more extreme. Each layer ...

while giant planets have orbits about four times more elliptical than smaller planets. The finding points toward two different pathways by which large and small planets form. "What we found is ...

Now, MIT researchers have proposed an unexpected solution to this longstanding planetary ... in a statement. Mars used to be a dramatically different planet before losing its atmosphere. (© IM_VISUALS ...

The big picture: Nearly 6,000 exoplanets have now been ... tracked the signatures of different elements across the planet's atmospheric layers – iron in the deep atmosphere, sodium in the ...

An artist’s impression of the three different layers of the atmosphere ... researchers have been able to determine the atmospheric chemical composition for some planets outside our solar system ...

Astronomers have discovered that sulfur may be a key to helping us narrow down our search for life on other planets. It's not that sulfur is a great indication that a planet is inhabited. Instead, ...