New evidence for ancient ocean on Mars

Did a vast ocean once cover Mars' northern plains? The idea has been hotly debated among scientists for the past 20 years, ever since Viking Orbiter images revealed possible ancient shorelines near the pole. Later findings ...

Sea-level rise drives shoreline retreat in Hawaii

Sea-level rise (SLR) has been isolated as a principal cause of coastal erosion in Hawaii. Differing rates of relative sea-level rise on the islands of Oahu and Maui, Hawaii remain as the best explanation for the difference ...

Mars Express radar gives strong evidence for former Mars ocean

(PhysOrg.com) -- ESA's Mars Express has returned strong evidence for an ocean once covering part of Mars. Using radar, it has detected sediments reminiscent of an ocean floor within the boundaries of previously identified, ...

Ships, planes attack major Shell oil spill off Nigeria

Shell on Friday deployed ships with dispersants and planes in a bid to mop up one of Nigeria's worst offshore oil spills in recent years, a spokesman said, amid fears it could soon reach the shoreline.

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