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

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

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

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Venus is the hardest planet in the solar system to explore. The surface is lethal, and the atmosphere blocks our view from ...

NASA has selected advanced technologies to power a future space telescope designed to image Earth-like planets and search ...

In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the ...

Every day, humanity sends out countless signals into the cosmos, a byproduct of our technological advancements. While these transmissions are crucial for our communication and exploration, they also ...

Historically, many scientists and society have been fascinated by the prospect of making contact with extraterrestrial ...

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

Science fiction writer and futurist Arthur C. Clarke once said, “Two possibilities exist: either we are alone in the universe or we are not. Both are equally terrifying.” And perhaps that fear is what ...

The afternoon of 7 August 1996 isn’t a time that sticks in many people’s minds. But if things had worked out differently, it might have been etched into our collective memory. At 1.15pm, US President ...