Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

The Trump administration has tapped a Harvard professor with controversial theories about aliens to lead a team of scientists ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

Scientists say they have built a cell from scratch for the first time that feeds, grows and replicates like a natural cell, a breakthrough in synthetic biology.

The U.S. Space Force is the 6th independent U.S. military service branch, tasked with missions and operations in the rapidly evolving space domain. Space Force was signed into law Dec. 20, 2019, as ...