One of the primary goals of the James Webb Space Telescope (JWST) is to detect atmospheres around exoplanets, to try to suss ...

Beyond the asteroid belt lies a realm of giants, rings, and frozen mysteries. This video tours the colossal storms of Jupiter, the graceful rings of Saturn, the sideways tilt of Uranus, and the ...

Gaia back-tracing points to 3 suspect star systems—G 137-55/54, AT Mic, and a G3V candidate. What fits, what fails.

Astronomers are uncovering distant worlds beyond our solar system using ingenious indirect methods like observing stellar ...

Of the seven Earth-sized planets circling the red dwarf star TRAPPIST-1, one world has become a special focus for astronomers. This planet ...

TRAPPIST-1e, an Earth-sized world in the system’s habitable zone, is drawing scientific attention as researchers hunt for ...

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

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

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 ...

Researchers studied the data closely and suggested a few possible ideas about the planet’s atmosphere and surface.

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The International Astronomical Union (IAU) decided several years ago that they needed to come up with a definition for a planet (for use with the objects in our Solar System). The IAU has various ...