What if there were aliens on some distant planet and what if they tried to contact us, but we were not able to pick up the message? That is the question that has been raised by a group of scientists.

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

For decades, humanity has been looking for answers to unravel the mystery surrounding aliens’ existence, but they have failed ...

According to a new study, any alien civilizations out there? Probably short-lived — and doomed to fail spectacularly. For ...

A new study published in The Astrophysical Journal argues that “space weather” could be distorting incoming transmissions from extraterrestrials. The paper, penned by researchers at the SETI (Search ...

We might have missed signals from aliens because they are being disrupted by the conditions of space, scientists have warned.

Anyone familiar with the search for alien life will have heard of the "Goldilocks Zone" around a star. This is defined as the orbital band where the temperature is just right for liquid water to pool ...

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 ...

The truth about aliens may be out there, but don't expect them to look like little green men, RadarOnline. com can report.

Our search for extraterrestrial life has turned up empty, perhaps because technologically advanced civilizations are doomed ...

Scientists identify exoplanet candidate HD 137010 b, a possible Earth-size world orbiting a Sun-like star 146 light-years away ...

University of Washington researchers built a smartphone app that tracks fetal heart rate as accurately as clinic tools using only the phone's speaker and mic, though it's not ready for release yet.