A bold geochemical model reveals that TOI‑270 d, a sub‑Neptune 73 light‑years away, is likely a giant rocky world cloaked in ...

K2-18b has long been considered the premier candidate for a "hycean planet" — an ocean world bigger than Earth with a hydrogen-rich atmosphere. Hycean planets, much like Earth, are covered in ...

The surface of Mars is extremely cold, irradiated, and desiccated. But at one time, the planet was much warmer and wetter, ...

In a groundbreaking discovery, astronomers believe they may have found the most compelling evidence of life beyond Earth. A planet ... in the atmosphere of a habitable-zone exoplanet.

The planet's atmosphere has been ... K2-18 b is 8.6 times as big as Earth and has a diameter about 2.6 times as large as our planet. It orbits in the "habitable zone" — a distance where liquid ...

This was the first time astronomers found carbon-based molecules in the atmosphere of an exoplanet in the habitable zone of space. Scientists suspect it could be a ‘Hycean’ planet – a ...

The two gases — dimethyl sulphide, or DMS, and dimethyl disulphide, or DMDS — involved in Webb’s observations of the planet named K2-18 b are generated on Earth by ... in the atmosphere of an ...

Scientists using the James Webb Space Telescope have detected potential biosignatures in the atmosphere ... on Earth, especially marine phytoplankton, which are microscopic plants in the ocean. This ...

Why K2-18b Stands Out K2-18b lies in the habitable zone of ... The planet receives Earth-like radiation and may even have water-rich oceans. Although its hydrogen-rich atmosphere differs from ...

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