Exoplanets

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

Although modest in scope, a NASA research project reflects shifting attitudes toward the formerly taboo subject of UFOs

Astronomers and the public alike are delighting in the glittering depths of the universe revealed by the James Webb Space Telescope

Breathtaking pictures that include the deepest-ever infrared view of ancient galaxies offer a preview of the spectacular science in store for the most powerful space observatory in history

Jane Rigby, Webb’s operations project scientist, discusses how NASA plans to wring as much science as possible from the $10-billion observatory

The latest data release from the European Space Agency’s Gaia mission is sparking a frenzy of exciting new astrophysics research

In the far future, we could reveal detailed views of distant worlds by turning our home star into a gravitational lens

The alien comets could illuminate the history of their planetary system

A satellite will scour the Milky Way for exoplanets orbiting stars just like the sun

Low levels of bombardment reveal that the TRAPPIST-1 system probably grew quickly

Proxima d might be only a quarter the mass of Earth, potentially making it one of the smallest worlds yet discovered beyond our solar system

Kepler-1708 b-i appears to be a giant moon orbiting a Jupiter-sized planet thousands of light-years from Earth