New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

Using emerging radio techniques refined during and after the Second World War, the astronomers detected a powerful radio ...

The long-running series in which readers answer other readers’ questions comes up with an epic extraterrestrial playlist for Earth’s first contact from beyond the stars ...

Planet Earth could be giving out its own signals, which could in turn be detected by distant astronomers on an alien planet ...

Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer ...

A Catholic nun is sounding the alarm over the growing fascination with aliens, warning that alleged encounters could have ...

From "Independence Day" to "Invasion of the Body Snatchers", movies and TV shows are packed with advice for anyone aspiring ...

There might be many more planets that could be home to aliens than we thought, according to a new study. For years, scientists have searched for life in the "habitable" or "goldilocks" zone – where it ...

Planets orbiting stars beyond the solar system come in all shapes and sizes but mostly fit into a few categories: large and hot gas giants, super-Earths that are slightly larger than our planet, ...