The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will in a matter of days come as close to our planet ...

Aliens might be transmitting communications signals to each other across exoplanets, some astronomers think. Since these ...

Even the best telescopes can’t see exoplanets. It’s all about watching for jiggly stars, blue shifts, and transits.

Chinese astronauts have installed protection against "space junk" aboard the permanently inhabited station Tiangong, according to China's manned spaceflight authorities, a month after a docked vessel ...

Scientists searched 27 exoplanets for alien technology using planetary eclipses, revealing a new way SETI hunts signals ...