Is 3I/ATLAS a comet or an alien ship? Harvard's Avi Loeb warns of a 'serial killer' visitor as the interstellar object makes ...

There's the invasion by a warlike species, there's the highly evolved species trying to communicate with our primitive ...

In 1977, astronomers detected a powerful, narrowband radio signal that appeared to come from deep space. It lasted just 72 ...

Most scientists search for aliens by waiting for signals that may never come. Avi Loeb argues that real evidence requires looking directly at what passes through our cosmic backyard. When unusual ...

For only the second time ever, a collision between two asteroids has been observed around an alien star not too far beyond ...

Scientists have sought out and detected radio emissions from from interstellar comet 3I/ATLAS, all but confirming that it has natural origins.

Last Friday, the interstellar comet designated 3I/ATLAS completed its closest approach to Earth without crashing into us or depositing an invading armada.

Prosecutors in Pennsylvania say a convicted sex offender -- from California -- will spend decades behind bars for traveling ...

Refath Bari's takeaway is not about the shooter, but rather how everyone got each other through, both inside Barus and Holley ...

The controversial Harvard astronomer is one of the main sources of the "alien mothership" hypothesis. This is what he thinks, ...

I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar object ...

Just a day after being released from a U.S. Immigration and Customs Enforcement facility in Aurora, immigration activist Jeanette Vizguerra spoke to dozens of supporters in front of a courthouse ...