Reaching Alpha Centauri within a single human lifetime has long sounded like science fiction, yet a new generation of nuclear ...
Astronomers have used NASA's James Webb Space Telescope to find strong evidence for a planet orbiting a star in the triple system closest to our own sun. At just 4 light-years away from Earth, the ...
There are billions (or more) planets in the universe. Some of them orbit around a sun like Earth, and others are shooting through interstellar space. Some are gaseous, and some are rocky; some are ...