It's one of the atmosphere’s rarest and most breathtaking phenomena, one that's hard to capture on camera or video.

Get the latest federal technology news delivered to your inbox. You might think this column is about UFOs and the Pentagon's ...

Scientists say the findings of the new study may make future searches for extraterrestrial intelligence faster and more ...

Decades before blockbuster CGI aliens, artist Wayne Barlowe designed an entire ecosystem for his book "Expedition" — later ...

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously large black holes” might be used by alien civilisations, and what makes the ...

Pulverised technology from collapsed alien civilisations may lie scattered across the solar system, including on the Moon, a new study suggests. The likelihood of advanced aliens living at the same ...

A planet with one side permanently roasting and the other frozen in endless darkness might still have a chance of supporting life. Researchers found that heat inside a tidally locked exoplanet could ...

A newly discovered interstellar object is moving through the solar system at around 137,000 mph, and it did not take long for ...

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

NASA's new alien-hunting telescope, the Habitable Worlds Observatory (HWO), will be serviceable out in space (and it will ...

A new SETI study argues that turbulent space weather around distant stars can smear out ultra‑narrow alien radio signals, meaning technosignatures may already have reached Earth.

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence community, as well as to publish its findings in peer-reviewed journals ...