Spectra Confirm Ice on Asteroid 24 Themis. How Did it Get There?

It seems that space age instruments are now finding evidence of water-ice in the many locations we have pointed them to look. The latest to be confirmed includes asteroid 24 Themis. But is it from subsurface...

July 20, 1969: Moon Landing 40th Anniversary — Where were you?

Forty years ago today, July 20th, humankind achieved a moon landing as American astronauts Neil Armstrong, Edwin "Buzz" Aldrin, and Michael Collins landed the Apollo 11 spacecraft on the lunar surface on July 20,...