Exoplanets

Red dwarfs are dim bulbs but host more Earth-like planets than any other kind of star

Do efforts to create life—by cooking up imitations in computers, robots and molecules—point toward a universal definition of biology?

TRAPPIST-1b is probably an airless rock, but the same may not be true for its six Earth-sized siblings

A new study suggests that ‘Oumuamua, the mysterious visitor that whizzed through our solar system in 2017, may have been merely a small comet from another star

Before exploding as supernovae, massive Wolf-Rayet stars spew gas and dust into space, seeding the formation of future stellar and planetary systems

SETI, the search for extraterrestrial intelligence, is deploying machine-learning algorithms that filter out earthly interference and spot signals humans might miss

The James Webb Space Telescope is opening an exciting new chapter in the study of exoplanets and the search for life beyond Earth

The James Webb Space Telescope’s snapshots of a giant world orbiting another star show that the observatory is performing even better than expected and that its best exoplanet images are yet to come

Drake’s curiosity and ambition turned the search for extraterrestrial intelligence into the scientific venture it is today

The result offers a sneak peek at the observatory’s transformative potential for studying worlds beyond the solar system

“Decolonizing” the search for extraterrestrial intelligence (SETI) could boost its chances of success, says science historian Rebecca Charbonneau

Members of the public are helping professional astronomers identify nascent planetary systems