This summer, exoplanet science—the study of planets orbiting stars beyond our sun—took a big step forward. Reports of helium ...

Astronomers have detected escaping helium gas around LHS 1140 b, a rocky super-Earth orbiting in the habitable zone of a nearby cool star, making it the first rocky world in such an orbit to show ...

LHS 1140b is a potentially rocky exoplanet in its star’s habitable zone. It’s an intriguing target in the search for worlds ...

Astronomers have detected possible signs of helium escaping from the atmosphere of the exoplanet LHS 1140b, a finding that ...

Astronomers from the University of Geneva, working with colleagues in Canada and the United States, have captured the clearest view yet of an exoplanet losing its atmosphere into space. Using the ...

Most of the gas in the Universe is a mixture of hydrogen and helium. It’s thought that the initial atmospheres of most planets also start out that way. However, over billions of years, as planets ...

ATLANTA — Scientists say they have detected promising signs that a planet orbiting a star 49 light-years from Earth could have an atmosphere, making it potentially suitable for life. Called LHS 1140b, ...

Add Yahoo as a preferred source to see more of our stories on Google. Artist's view of WASP-107b. The planet's low density and the intense irradiation from its star allow helium to escape the planet ...