NASA's senior rover, is currently examining the edge of a crater on the red planet that may once have been a lake of liquid water and found rocks at the edge of Endeavour Crater that were either transported by a flood or eroded in place by wind.
The Opportunity mission has been investigating sites on and near the western rim of Endeavour Crater since 2011. The crater is about 22 km across.
Jun 26, 2017
Antarctic Sea Ice Loss
As per a new study, a series of unprecedented storms over the Southern Ocean likely caused the most dramatic decline in Antarctic sea ice seen to date.
Antarctic sea ice, frozen ocean water that rings the southernmost continent, has grown over the past few decades but declined sharply in late 2016. By March of 2017, the end of the Southern Hemisphere’s summer – Antarctic sea ice had reached its lowest area since records began in 1978.
Jun 17, 2017
Earth Warming to Tipping Point
A monthly analysis of global temperatures by NASA scientists has revealed that May 2017 was the second warmest May in 137 years of modern record-keeping, indicating that our climate is changing and quickly.
The monthly analysis by the scientists at NASA's Goddard Institute for Space Studies (GISS) in New York is assembled from publicly available data acquired by about 6,300 meteorological stations around the world, ship-and buoy-based instruments measuring sea surface temperature, and Antarctic research stations.
The modern global temperature record began around 1880 because previous observations did not cover enough of the planet.
Jun 13, 2017
The Larsen C Ice Shelf
Very soon, a large portion of an ice shelf in Antarctica will break off and collapse into the ocean. The name of the ice shelf is Larsen C; it is a major extension from of the West Antarctic ice sheet, and its health has implications for other ice in the region, and sea levels globally.
Scientists have been watching a major rift (crack) that has grown in the past few years, carving out a section of floating ice nearly the size of Delaware. The speed of the crack has increased dramatically in the past few months, and it is nearly cracked through.
Jun 06, 2017
Trash in Our Oceans
In 2015, some 322 million metric tons of waste was found in the oceans. And most of the waste consists of everyday items like bottles, wrappers, straws and plastic bags.
If the amount of waste keeps growing, and by 2050, the volume of waste could increase by four times the current figure.
Each year, more than 13 million tons of plastic waste end up in the ocean.
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