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

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

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 ...

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 ...

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 ...

New observations regarding the composition of distant galaxies reveal insights into the earliest phases of the universe that confirm decades of scientific ...

Credit: NASA Large Binocular Telescope data cut helium measurement uncertainty threefold. Helium, a light chemical element, carries clues to what the universe was like during its first five minutes.

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 ...