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 ...

In an exclusive interview with Starlust, astronomer Vishal Gajjar of the SETI Institute discusses how stars may be ...

These findings suggest that the absence of past detections does not mean discovery is imminent. If extraterrestrial ...

For decades, scientists have been actively searching for signs of extraterrestrial life. Fromradio waves to laser flashes and infrared heat signatures, the hunt for alien technosignatures has ...

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 ...

Humans have wondered for centuries whether we are alone in the universe — and a new study suggests that if alien ...

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 ...

Solar winds and coronal mass ejections may scatter narrow signals, making them harder for Earth-based telescopes to detect. The SETI Institute uses radio telescopes to search for signs of intelligent ...

Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the source of potential signals than previously thought. Conditions around ...