The first unmistakable sign of extraterrestrial technology may not arrive as a calm greeting. It may look more like a flare.

For over six decades, the Search for Extraterrestrial Intelligence (SETI) has been tirelessly scanning the cosmos for signs of alien life. Despite its extensive efforts, the universe remains eerily ...

If advanced aliens lived on a planet within a few hundred to a thousand light years away from Earth, then vast numbers of their signals must already have crossed Earth without being noticed, a new ...

A recent SETI Institute study suggests that space weather could blur and weaken extraterrestrial radio signals long before ...

Add Yahoo as a preferred source to see more of our stories on Google. Turbulent star environments may broaden alien radio signals, making them harder for SETI to detect. (CREDIT: Shutterstock) Radio ...

Advanced aliens could be chatting with each other using light flashes in plain sight, similar to how fireflies communicate, according to a new study that could lead to new approaches in finding ...

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder to detect.

For over two decades, millions of people volunteered the computational capacity of their computers to help UC Berkeley scientists in their search for extraterrestrial intelligence (SETI). The goal of ...

Aliens may have been trying to contact humans for years, suggests new research. But stellar “space weather” could mean radio signals from friendly extraterrestrial intelligence get lost in space, say ...

Scientists believe turbulent “space weather” around distant stars could be scrambling potential alien signals before they ...

We may have been missing signals from intelligent aliens because of solar wind. Researchers from the Search for Extraterrestrial Intelligence (SETI) Institute say this means we have been watching for ...