Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

NASA has taken a bold step in the search for alien life beyond Earth. The space agency announced the selection of seven ...

An illustration shows what exoplanet K2-18b might look like based on data from NASA's James Webb Space Telescope. K2-18b is 8.6 times as massive as Earth, orbits the cool dwarf star K2-18 in the ...

First-year students in Rochester Institute of Technology’s Science Exploration Program are reproducing a slice of life in their lab that might exist on the seven Earth-like planets recently discovered ...

K2-18b resides within the habitable zone of its star, making the presence of liquid water and thus life possible. Using the James Webb Space Telescope, researchers detected molecules in K2-18b's ...

Explore how astronomers aim to identify signs of alien life by analysing the atmospheres of distant exoplanets through ...

WASHINGTON — An Earth-sized planet in its star's habitable zone has been discovered in data from NASA’s Kepler space telescope. NASA says the newly found exoplanet is the closest to Earth in size and ...

Planets larger than Earth but smaller than Neptune – so called sub-Neptunes – are the most common type of known exoplanet. It ...

(THE CONVERSATION) The search for life beyond Earth is a key driver of modern astronomy and planetary science. The U.S. is building multiple major telescopes and planetary probes to advance this ...