Earth news

Rating the planet's oceans

The most comprehensive assessment conducted by the Ocean Health Index rates the Earth's oceans at 67 out of 100 in overall health. In addition, for the first time, the report assessed the Antarctic and the ...

1 hour ago
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Climate change affecting species

The Global Change and Sustainability Research Institute (GCSRI) and the Wits Rural Facility (WRF) hosted a top climate change scientist, Professor Camille Parmesan, who delivered a talk to staff, students ...

6 hours ago
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Glaciers in the grand canyon of Mars?

For decades, planetary geologists have speculated that glaciers might once have crept through Valles Marineris, the 2000-mile-long chasm that constitutes the Grand Canyon of Mars. Using satellite images, ...

8 hours ago
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NASA support key to glacier mapping efforts

Thanks in part to support from NASA and the National Science Foundation, scientists have produced the first-ever detailed maps of bedrock beneath glaciers in Greenland and Antarctica. This new data will help ...

8 hours ago
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