TRAPPIST-1 d ruled out as Earth twin by Webb study
Paris, France (SPX) Aug 15, 2025
Astronomers have determined that TRAPPIST-1 d, a rocky exoplanet similar in size to Earth and located in a potentially temperate zone, lacks an Earth-like atmosphere based on new NASA/ESA/CSA James ... more
Planets without water could still produce certain liquids
Boston MA (SPX) Aug 13, 2025
Water is essential for life on Earth. So, the liquid must be a requirement for life on other worlds. For decades, scientists' definition of habitability on other planets has rested on this assumptio ... more
Hints emerge of giant planet orbiting Alpha Centauri A
Paris, France (SPX) Aug 08, 2025
Astronomers using the NASA ESA CSA James Webb Space Telescope have gathered strong evidence pointing to a giant planet circling Alpha Centauri A, one of the Sun-like stars in the closest stellar sys ... more