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

A new SETI study argues that turbulent space weather around distant stars can smear out ultra‑narrow alien radio signals, ...

Jordan Flowers claims Russia and China may be reverse-engineering alien technology, raising national security concerns.

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

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

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

Space: 1999 may have offered audiences a glimpse into the future, but its premise was rooted in the past — specifically, in a ...

This video looks back at Tabby’s Star, the bizarre stellar anomaly that pushed astronomers into one of the strangest public ...

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

A biologist specializing in invasive species has partnered with a former Pentagon strategist in pushing NASA to construct a ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters ...