Educational TV for kids has come a long way since I was a kid. Gone are the preachy, boring lessons, and instead, kids have a ...

Mars is a cold, dry, desert-like planet. But billions of years ago, scientific evidence suggests that it had a thick ...

Sending anything to Mars is a much more difficult process than it seems. In the 1960s, the Soviet Union tried (and failed) in ...

A little more than a year ago, on a trip to Nairobi, Kenya, some colleagues and I met a 12-year-old Masai boy named Richard Turere, who told us a fascinating story. His family raises livestock on the ...

Editor's note: This is the second in a two-part series about the colorful "Colonel" William C. Greene, who is credited with developing mines in Cananea, Sonora. The years 1899 through 1906 were ...