For centuries, humans have gazed at the stars and wondered whether we are alone in the universe. The question of ...

It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...

No one knows exactly what to expect if we encountered other forms of alien life. Would they talk like us? Look like us? Or ...

Beneath Europa's icy shell lies an ocean vaster than Earth's. But is its hidden world buzzing with life, or silent as the ...

Scientists used the world's largest single-dish radio telescope to scan comet 3I/ATLAS for signs of extraterrestrial life, but found no artificial radio emissions.

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

The mystery around interstellar comet 3I/ATLAS has deepened after CIA said it could "neither deny nor confirm the existence ...

The galaxy cluster appears hotter and more mature than it should for its young age, challenging what we think we know about ...

Though this hunt came up empty, the fact that 3I/ATLAS is only the third known object found in the solar system after ...

An international team of researchers pointed the largest single-dish radio telescope in the world at 3I/ATLAS.

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

A new study referencing a past NASA Cassini observation found the presence of 'slushy tunnels' in Saturn's largest moon Titan ...