New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist having a Eureka moment, realising in a single dramatic instant that Earth is ...

A top scientist has suggested that aliens may be 'terrified of Earth' not because of humanity, but due to a bizarre cosmic phenomenon known as time dilation, which could leave any interstellar visitor ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...