While imperceptible to humans, these tiny delays are significant for experiments that rely on pulsars as ultra-precise cosmic ...

Language and radio signals may not matter to aliens. Instead, they might be using patterns to leave a biological fingerprint.

Scientists claim that first extraterrestrial contact will be a loud event impossible to ignore, not a subtle signal.

When interstellar visitor 3I/ATLAS exhibited some peculiar movements, speculation arose regarding potential alien origins.

The James Webb Space Telescope (JWST) is a large space telescope which collects light at infrared wavelengths. It has been ...

A distant pulsar’s radio signal flickers as it passes through space, much like stars twinkle in Earth’s atmosphere. By monitoring this effect for 10 months, researchers watched the pattern slowly ...

After two decades of quiet data processing on millions of crowd-sourced home computers, the SETI@home project has narrowed ...

Planets larger than Earth but smaller than Neptune – so called sub-Neptunes – are the most common type of known exoplanet. It ...

Scientists have shortlisted 100 unusual radio signals from space after a 21-year search using Arecibo Observatory data. While ...

Explore how astronomers aim to identify signs of alien life by analysing the atmospheres of distant exoplanets through ...

A major claim in the older media cycle was that NASA removed the book and related materials. Whatever happened during the original wave of reporting, the current reality is clear: NASA now provides an ...

Advanced aliens could be chatting with each other using light flashes in plain sight, similar to how fireflies communicate, ...