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

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

The observations were carried out by the Breakthrough Listen program as the object neared its closest approach to Earth on ...

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

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

In July, researchers using the NASA-funded Asteroid Terrestrial-impact Last Alert System survey telescope in Chile made an ...

If nonliving materials can produce rich, organized mixtures of organic molecules, then the traditional signs we use to ...

NASA’s search for life beyond Earth is no longer a distant dream but a coordinated campaign that now stretches from Martian ...

Some stories are so strange and so full of emotion that they refuse to fade away. The case of Travis Walton is one of those ...

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 ...

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, ...