Imagine receiving a message from another world. Not from a distant galaxy millions of light years away, but from a planet orbiting the nearest star system to our own. A mysterious signal appears on ...

They’re hole-ar powered. If super-advanced alien civilizations exist, they would surely require insane amounts of energy to ...

Looking ahead: Existing radio surveys may contain signals that were never recognized as potential technosignatures. New ...

Searching for extraterrestrial intelligence has so far primarily meant focusing on one particular type of signal—and that ...

One of the challenges of searching for technosignatures (i.e., signs that intelligent life somewhere in the universe has ...

Astronomers may have been listening for alien civilizations in only a small slice of the radio spectrum while overlooking a largely unexplored range of higher frequencies. Using archived data from the ...

R L Drake explores the Fermi Paradox: why, given the Milky Way's billions of potentially habitable planets and the Drake Equation's estimate of 12,500 possible ...

The Fermi paradox asks why we haven’t found aliens yet. Scientists say the answer may lie in timing, technology, and the vast scale of space.

“There is a silence in the night sky that has bothered me for as long as I can remember.” That line, attributed to Richard Feynman, lands because it gets at a simple, stubborn feeling. The sky looks ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new paper. Reading time 3 minutes In our search for life beyond Earth, we might ...

Add Yahoo as a preferred source to see more of our stories on Google. Tardigrades—a type of invertebrate also known as water bears—are the only animals observed to survive the intense radiation and ...

Elon Musk’s plans for the future of SpaceX, and humanity, are rooted in an idea conceived in the 1960s when astronomers began to pick up mysterious, unknown radio sources in the cosmos. Soviet ...