With next-generation telescopes, tiny space probes, and more, scientists aim to search for life beyond our solar system—and make contact. Propelled to a fifth the speed of light by a laser beam ...

Often imagined as the crown jewel of future megastructures, a Dyson swarm—an orbiting fleet of solar collectors around the Sun—has long been considered a potential key to unlocking interstellar-scale ...

To spread awareness that “climate change isn’t just an environmental issue; it’s a human story woven into the fabric of our civilization’s rise and fall,” Georgetown University historian Professor ...