Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Having considered more than 1,000 cases, this analyst of unidentified anomalous phenomena has honed a rational process for ...

John Sugar survives a brush with death, confronts the EZ4 gang, and faces a major twist in Sugar season 2, episode 3. Read our full recap.

Teetering near endangered status, the starlet sea anemone produces “an ancient mechanism” for fighting viruses that ...

Research indicates airport radar systems may unintentionally broadcast Earth's presence to aliens up to 200 lightyears away, ...

In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from ...

Somewhere in the Mojave Desert, a gleaming white dome sits in the middle of nowhere, and the story behind it is stranger than ...