Astro Bulletin provides visitors with bi-weekly breaking news of observable universe with spectacular high-resolution images from deep-space satellites and ground-based observatories around the world. Chosen both for their scientific content and their beauty, these eye-catching images are coupled with informative captions and graphics. Recent breaking news stories covered topics such as:

• The structure of an exploded supernova
• Mars Reconnaissance Orbiter spots strange, ancient rock formations
• Extrasolar planets come into view for the first time.
• A study of a distant planet reveals clues to its chemical makeup.

To add to the breaking news, high-definition video documentaries provide in-depth stories of scientists in the field. Past in-depth feature stories have included:

• Sloan Digital Sky Survey: Mapping the Universe
• Impact! Tracking Near-Earth Asteroids
• Cosmic Microwave Background: the Cosmology
• Space Weather