That’s us.’ From Pale Blue Dot (1994) by Carl Sagan. Photo courtesy NASA/JPL-Caltech But what, exactly, should we make of ...

UCSB Physics Professor Roger Freedman held our attention three years ago as he explained the wonders and understanding that ...

“In space no one can hear you scream.” If space were truly empty—an utter vacuum, devoid of any matter—then yes, the Alien ...