New simulations suggest TRAPPIST-1e's possible methane atmosphere may be a false signal from its star, raising fresh ...

Levels of potentially dangerous cosmic radiation in Earth's atmosphere rose to a two-decade high in November after a rare ...

Of the seven Earth-sized worlds orbiting the red dwarf star TRAPPIST-1, one planet in particular has attracted the attention ...

The mystery of whether TRAPPIST-1e has an atmosphere capable of hosting life continues. Discover more about it.

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 ...

Using the Webb telescope’s powerful Near Infrared Imager and Slitless Spectrograph (NIRISS) instrument, the team detected a ...

Using the JWST, an international team featuring UNIGE scientists has detected enormous clouds of helium streaming away from ...

A thick atmosphere has been detected around a planet that's twice as big as Earth in a nearby solar system, researchers reported Wednesday. The so-called super Earth — known as 55 Cancri e — is among ...

Our planet’s magnetosphere has seen dramatic shifts across its history—even total reversals—but this recent wrinkle doesn’t ...

Researchers have detected a thick atmosphere around a planet called 55 Cancri e, which is twice as big as Earth and classified as a super Earth. The atmosphere of 55 Cancri e consists of carbon ...

JWST observations of exoplanet TRAPPIST-1d reveal a lack of a substantial, Earth-like atmosphere, as indicated by a "flat" spectral signature lacking typical atmospheric molecule fingerprints (e.g., ...