It's managed to keep it's internal magnetic field when its larger sister planets have lost theirs, and that magnetic field help shield the surface from solar wind ions. Those ions continuously ...

His story, along with scientific and anecdotal opinions are the subjects of PBS’ “Nova" streaming on ... dissolved as we learn in astronomy that planets are common,” she says.

With the exception of Pluto, planets in our solar system are classified as either terrestrial (Earth-like) or Jovian (Jupiter-like) planets. Terrestrial planets include Mercury, Venus, Earth ...

With all the sightings of strange objects in the sky, people have been wondering for decades what these things can be. Whether it’s Roswell or Area 51, people have been convinced there have been ...

Forty-six years ago, PBS' "NOVA" series debuted its first documentary about artificial intelligence. "The Mind Machines" featured many of the field's foremost voices, including Arthur C.

Whether it’s Roswell or Area 51, people have been convinced there have been beings from other planets visiting Earth. PBS’ “Nova” series examines the phenomenon of UFOs. A panel recently ...