An alien radio signal from K2-155 d? Are there any alien civilizations out there? For several decades, scientists have been searching for evidence that they exist. That effort is collectively known as ...

For decades, scientists have searched the universe for evidence of extraterrestrial intelligence, using powerful radio ...

Some UFO cases remain difficult to explain, but that is only the beginning of the scientific question. The evidence needed to ...

Space is full of electromagnetic radiation like radio signals, but those signals are usually coming from stars or black holes ...

The discovery could help astronomers determine whether an outer world is suitable for life.

Strange radio signals have been detected from the direction of K2-155 d, about 238 light-years away. Here's what it could ...

Astronomers Detect Radio Emission From Distant Planet Astronomers have reported the first direct detection of radio emission ...

Scientists have traced a series of mysterious radio signals to a gigantic alien world 63 light-years from Earth.

A newly filed permit from Walt Disney Imagineering strongly suggests a kid-friendly playground structure is coming to ...

The Defense Department issued a legal waiver authorizing current and former personnel to share unidentified anomalous phenomena–related classified information, but it doesn’t extend to other agencies.

"Natural astrophysical processes rarely generate extremely narrow spectral features while engineered transmitters often do," writes a team of astronomers including first author Zi ...

For the first time, astronomers have detected radio signals from a planet beyond our solar system, according to a study available on the preprint server arXiv. The landmark observation offers a new ...