Howard Hughes Medical Institute Department Science Education

Octopus Ancestors Lived Before Era Of Dinosaurs: Study
Scientists have found the oldest known ancestor of octopuses an approximately 330 million-year-old fossil unearthed in Montana.
By Christina Larson, AP

Space Junk Too Risky For Astronaut, Spacewalk Delayed
Its the first time a spacewalk has been canceled because of threat from space junk.
By Marcia Dunn, AP