Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they remain cautious,” states a Cambridge University press release.

An astonishing new claim that we have finally discovered “alien life” has left the space world reeling. The world of ...

A car-sized piece of Soviet rocket has crashed back through the atmosphere, after 53 years in orbit. Scientists haven't yet ...

An out-of-control spacecraft designed to handle the rigors of Venus' atmosphere came crashing down to Earth on Saturday.

Bubbling up in ancient Greek theories and medieval speculations, the quest for 'aliens' or extraterrestrial life finally ...

On Earth, DMS is made by ocean plankton, then quickly broken down in the atmosphere through photochemical and other reactions ...

Researchers using the Hubble Space Telescope have discovered water vapor in the atmosphere of planet K2-18b, located about ...

Head out at night, and, almost straight up, look for a starry pattern: a backwards question mark (“the sickle”) – the head of ...

Scientists have spotted interesting chemical signs on K2-18b. These signs are linked to life on Earth. The James Webb Space ...

Warmer climates than Earth’s could accelerate life’s development, potentially increasing the number of planets with more ...

"I had been waiting my entire career for Webb so that we could meaningfully characterize the atmospheres of these smaller ...