Say cheese! Mars’ ‘Happy Face’ crater has significantly grown over a decade due to thermal erosion

Mars has something to smile about! The infamous ‘Happy Face’ crater near the Red Planet’s south pole has gotten noticeably bigger over the last decade. NASA‘s Mars Reconnaissance Orbiter first recorded the grinning visage in 2011, using its powerful High-Resolution Imaging Science Experiment (HiRISE) camera. Researchers compared an image of the crater from October 2011 to … Read more

Wreck of 200-year-old ship is discovered on a Florida beach after erosion washed away 10ft of sand

Shifting sands on Florida‘s Crescent Beach revealed the wreckage of a sailing vessel that crashed some 200 years ago. Beachgoers spotted timber and metal spikes poking from the sand and after a closer look, they realized it was more than just discarded trash. Archaeologists say the wreckage is from a 19th century cargo ship that … Read more

Mass extinction 360m years ago caused by ozone layer erosion

A mass extinction 360 million years ago that killed off many of the Earth’s plants and freshwater animals was caused by a breakdown of the ozone layer. Scientists from the University of Southampton found evidence that it was high levels of ultraviolet radiation that destroyed the ancient forest ecosystem.   This newly discovered extinction mechanism was … Read more