Despite years of debate and follow-up studies, an odd streak of cosmic light still defies a final explanation. Is it a giant ...

For four decades, many SETI experiments have focused on finding sharp spikes in frequency but the new study says signals may not stay narrow as they travel away from their home system.

A high-ranking retired US Air Force major general who once commanded a base long associated with UFO lore has been missing for nearly two weeks, and authorities are appealing to the public for help ...

A study by Johns Hopkins University has found that alien microbes could travel between planets on asteroids, meaning humans could be descended from Martians. Astrobiologists have long speculated that ...

"If a signal gets broadened by its own star's environment, it can slip below our detection thresholds, even if it's there." ...

Some believe the Betz mystery sphere, a steel ball that a Florida family found on their property in 1974, is a piece of alien technology. Here’s the truth.

Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...

Phoenix rocker shares the story behind "Jason P. Woodbury & The Night Bird Singing Quartet," from childhood memories of ...

Beyond that, in the decades to come, we might be able to see the colours of an exoplanet’s surface, and determine if plant life might be present there. And then we can search for changes in a planet’s ...

New Mexico authorities are calling on the public for help in the search for a 68-year-old retired U.S. Air Force general who went missing last week.

A computer expert pulled off the 'biggest military computer hack of all time,' breaching NASA's system to find what he said ...

New research analyzed more than 80,000 UFO reports and found that there are 'clusters' of reports of sightings near submarine ...