New analysis casts doubt on ‘biosignatures’ found on planet K2-18b
Scientists are debating whether data from the James Webb Space Telescope is really pointing to biosignature gases in the atmosphere of planet K2-18b. Adriana M.…
Tag: exoplanet
Are there signs of life on alien planet K2-18b, or is it just a lot of hot air?
This artist’s impression depicts what a water world with a hydrogen atmosphere, such as planet K2-18b, might look like. A. Smith, N. Madhusudhan/University of Cambridge…
How do astronomers find distant planets … if we can’t see them?
Enlarge this image An illustration of the GAIA telescope, launched by the European Space Agency (ESA) in 2013. Using GAIA data, astronomers can observe a…