Could the first confirmed signal from an extraterrestrial source be less a hello than a goodbye? Astrophysicist David Kipping argues as much, and his “Eschatian Hypothesis” reimagines the way ...

Toilet paper, a product that is used for a few seconds before being disposed of forever, is typically made with trees, energy ...

Europa has long been the darling of the search for life beyond Earth. The reason is simple: beneath its cracked, icy shell ...

While late M-stars are the easiest places to find Earth-sized planets, a new study suggests they are biological dead ends where animal life may never find enough fuel to evolve.

Scientists studying Jupiter’s moon Europa have zeroed in on a strange, spider-like feature etched into the moon’s icy shell, ...

Advanced aliens could be chatting with each other using light flashes in plain sight, similar to how fireflies communicate, ...