We are all made of star dust, or maybe more specifically, star dust that hitched a ride on an asteroid and smashed into Earth as a meteorite. Eric Mack has been a CNET contributor since 2011. Eric and ...

Artist's impression of the ISO 1I/2017 U1 'Oumuamua, detected on October 19th, 2017, by the Pan-STARRS survey. Credit: ESO/M. Kornmesser On October 19, 2017, astronomers with the Pan-STARRS survey ...

How life got started on Earth is still a big problem for scientists. The story goes something like this: “Well, there was this primordial soup of amino acids and stuff, then maybe there was some ...

Panspermia, an intriguing theory on the origins of life on Earth, holds that terrestrial life was born not on our planet but elsewhere in the universe, hitching a ride from another planet on a ...