For many years, astronomers have been looking for extraterrestrial life. In doing so, astronomers have narrowed their search ...

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

How to recognize extraterrestrial life if space chemistry produces the same building blocks as biology? This fundamental ...

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

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

A 'perfect storm' of media coverage and highly publicized government investigations is driving many to conclude that ...

Jupiter’s icy moon Europa, a leading candidate in the search for extraterrestrial life, has a surface dotted with enigmatic ...

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

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 ...

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

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

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