Earth-sized planet 40 light years away could have liquid water and an atmosphere rich in gases such as nitrogen ...

Most exoplanets are found using indirect methods, such as looking for regular dips in starlight, blocked by the orbiting exoplanet, or changes in starlight associated with the gravitational effect ...

In 2021, a team of astronomers led by Kevin Wagner of the University of Arizona announced a tentative detection of an exoplanet in the habitable zone of Alpha Centauri A, identified using direct ...