That means if aliens were to exist, and they were located some 66 million light-years from Earth, they’d theoretically still ...

Stellar plasma can smear alien radio signals before they escape their star system, making them harder for astronomers to detect.

Beyond that, in the decades to come, we might be able to see the colours of an exoplanet’s surface, and determine if plant life might be present there. And then we can search for changes in a planet’s ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Illustration of the Earth-like exoplanet Proxima Centauri b orbiting the star Proxima ...

Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of ...

Could alien signals have already reached Earth undetected? - If advanced alien civilisations exist and have contacted Earth, ...