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 ...

NASA’s missions to Saturn’s mysterious moon Titan have uncovered an alien world with lakes and seas made of liquid ...

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 ...

Imagine a planet orbiting the largest known star, Stevenson 218. This video explores the tantalizing scientific possibility of alien worlds around a red supergiant. We examine the challenges of ...

Claims that a massive UFO might approach Earth in 2026, driven by revived prophecies and modern psychic predictions, are ...

A giant impact on the early Earth could have brought the building blocks of RNA to our planet, which new research suggests ...

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

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

The best reason to send humans to Mars isn’t for guts or glory—or the construction of colonies to safeguard against existential Earth-bound risks. Instead it’s to answer a single, simple question: Is ...

Americans are becoming more open to the idea that aliens have visited Earth, according to a series of polls that show belief in alien visitation has been steadily on the rise since 2012. Moreover, ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...