The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

This is the story of a mysterious finding in New Hampshire, pieced together from the incident summary sheet and official ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life. The problem is not finding the star.

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

Imagine finding hundreds of alligators living happily in Colorado, which is thousands of miles away from any natural swamp.

Octopuses, bees, and dogs all process information differently. Even within the narrow confines of one planet, evolution produced a wide range of nervous systems rather than a single design. A new ...

On Earth, garnet is best known as the fiery red January birthstone—popular in jewelry since the Bronze Age and valued highly ...

What if consciousness isn’t limited to brains like ours? Philosophers Eric Schwitzgebel and Jeremy Pober argue that ...

A strange interstellar comet discovered last year and speculated by a prominent astronomer to be an alien spacecraft could be ...

As for those salt clouds, the salt is not table salt or even Pink Himalayan Rock Salt, though that would go splendidly with ...

With 'Disclosure Day,' the director returns to a longtime preoccupation. Two Times staffers explore his ongoing fascination with extraterrestrials.