Atmosphere of temperate exoplanet contains methane
Artist’s impression of a gas giant planet orbiting its distant host star. New research, led by astronomers at Penn State and the Jet Propulsion Laboratory, used NASA’s James Webb Space Telescope to analyse the atmosphere of a gas giant planet about the size of...
Was Mars doomed to be a desert?
NASA’s Curiosity rover captured this photo as it ascended the Martian mountain Mt. Sharp. A study proposes a new explanation for why Mars is a barren desert today, despite having many similarities to Earth. Credit: Photo by NASA/ JPL-Caltech/ MSSS. Public domain....
Strongest hint yet of alien biological life
An artistic impression of the exoplanet K2-18b, which orbits its star in the habitable zone, and may support alien life. Credit: A Smith, N Madhusudhan (University of Cambridge). Astronomers have detected the most promising signs yet of a possible biosignature of...