"In space," some marketing genius once said, "no one can hear you scream". Bring the Xenomorph and its associated ecosystem back home, however — as "Alien: Earth" so memorably has — and you hear ...

Apparent signs of alien life on the exoplanet K2-18b may just be statistical noise, according to a new analysis of data from the James Webb Space Telescope. On 17 April, Nikku Madhusudhan at the ...