If two or three hundred years from now an earthbound civilization is dying ... and they look back at the opportunity that we have here at the close o….

One hundred years ago, if someone said, 'damn,' people would take notice. Now, you can say almost anything. Secrets are the same way. Once upon a tim….

Now, more than ever, we need people in space... The events of September 11 show us how vulnerable we and our civilization are down here on Earth... S….

I firmly believe that we who are alive and can think today-in the closing years of the 20th century-have a commitment to our species to make sure tha….

Online learning can be a lifeline to those who have obstacles, such as geographical distances or physical disabilities..

We of course have our problems, to say the least, in comportment towards ourselves and our environment, but admittance to the cosmos and the spatial ….