A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...
The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...
Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...
Do little green men exist? Was 'Men In Black' a documentary? Prediction markets price the odds of the U.S. confirming aliens before 2027 - here’s why traders overwhelmingly expect a government ...
An intense demolition derby of at least six galaxies smashing into one another has been found lurking in the early universe ...
A bizarre "bow-and-arrow" radio galaxy nearly 1.8 million light-years across could reveal how galaxy clusters sculpt some of the universe's largest structures.