In a theoretical study, researchers explored how a twin Earth with human-like life and technology might detect our ...

The National Radio Astronomy Observatory is a federally funded research and development center for the National Science Foundation operated under cooperative agreement by Associated Universities for ...

If an extraterrestrial civilization existed with technology comparable to ours, would they be able to detect Earth?

SETI normally listens for extraterrestrial signals. A SETI team has switched roles and considered where aliens can hear us ...

If extraterrestrial civilizations exist with technology similar to ours, could they detect Earth? A team of SETI researchers ...

Imagine a distant world, light-years away, where intelligent beings scan the cosmos, searching for hints of life. If their ...

Their analysis revealed that radio signals, such as planetary radar emissions from the former Arecibo Observatory, are Earth’s most detectable technosignatures.

Astronomers have identified the largest radio jet ever observed in the early universe, spanning 200,000 light-years, using a combination of telescopes including LOFAR and GNIRS.

Earth's pollution and technology might reveal our presence to aliens. From radio signals to city lights, scientists study ...