The Mystery of Spiral Galaxies -- Is their Structure an Illusion? & 4 new Items:

For more information about Updates, Click on the titles: The Mystery of Spiral Galaxies -- Is their Structure an Illusion? Spiral galaxies are perhaps the most fascinating structures in astronomy, yet their nature is still a mystery. Astronomers currently have two categories of theories that can explain this structure, depending on the environment of the galaxy, but a new study...

Distant Quasars Hint that Our Corner of the Universe is Fine-Tuned for Life (Today's Most Popular) Precise measurements on the light from distant quasars suggest that the value of the fine-structure constant may have changed over the history of the Universe. If the quasar results are eventually confirmed, our concepts of space and time are sure...

Image of the Day: Luminous Objects in Sagittarius Arm of the Milky Way Posted: 31 May 2011 02:21 AM PDT This new Spitzer Space Telescope infrared image has revealed a dark cloud called M17 SWex that is forming stars at a furious rate but has not yet spawned the most massive type of stars, known as O stars. Such stellar...

Human Brain Cells in Lab Experiment Transmitted Electrical Impulses and Persistent Memory A team at the University of Pittsburg fashioned ring-shaped networks of brain cells that were not only capable of transmitting an electrical impulse, but also remained in a state of persistent activity associated with memory formation, according to lead researcher...

Ancient Egyptian Pyramids Buried Thousands of Years Located from Space By examining infrared images taken by NASA satellites, Sarah Parcak and her team from the University of Alabama at Birmingham identified pyramids buried deep under the ancient Egyptian city of Tanis, Egypt. Tanis, abandoned centuries ago, is famous as the... Provided by The Daily Galaxy