Neptune: A Deeper Look (IMAGE) Carnegie Institution for Science Caption New research from Carnegie on methane under pressure will help scientists understand the chemistry of planetary interiors, including Neptune and and Uranus, as well as hydrocarbon energy resources and diamond formation here on Earth. Credit Courtesy of Alexander Goncharov, Carnegie Institution for Science. Usage Restrictions With credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.