WASHINGTON (Reuters) - Astronomers for the first time have deciphered the three-dimensional structure of the atmosphere of a planet beyond our solar system, revealing three layers like a wedding cake ...

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

The James Webb Space Telescope is turning distant exoplanets from anonymous dots of light into worlds with weather, chemistry, and sometimes even hints of clouds. By dissecting the faint starlight ...

The mysterious exoplanet TRAPPIST-1b, located in the TRAPPIST-1 system 40 light-years from Earth, has once again captivated ...

If aliens wrap their planets in potent greenhouse gases like we do, we'd be able to tell. That's according to a recent thought experiment in which scientists identified five "artificial" greenhouse ...

NASA’s James Webb Space Telescope has found the most compelling evidence to date that a rocky planet beyond the solar system may have an atmosphere. Although it’s not Earth-like, a planet called ...

The odd atmosphere of a fledgling exoplanet is causing astronomers to question leading theories of how planets form. When you purchase through links on our site, we may earn an affiliate commission.

"You wouldn't need extra effort to look for these technosignatures, if your telescope is already characterizing the planet for other reasons — and it would be jaw-droppingly amazing to find them." ...