NASA's Messenger orbiter slams into Mercury

May 1, 2015

NASA's Messenger orbiter slams into Mercury

NASA’s pioneering Messenger spacecraft ended its four-year study of the planet Mercury on Thursday by crashing into the planet’s surface, scientists said. Flight controllers at the Johns Hopkins University Applied Physics Laboratory in Maryland earlier estimated that Messenger, traveling at more than 8,700 mph ...

NASA orbiter to slam into Mercury on Thursday

Apr 30, 2015

NASA orbiter to slam into Mercury on Thursday

NASA’s Mercury-orbiting spacecraft, Messenger, is going out with a bang this week, adding a hefty crater to the little planet closest to the sun. The first spacecraft to circle Mercury, Messenger is expected to slip out of orbit and slam into Mercury on Thursday ...

NASA spacecraft on collision course with Mercury

Apr 17, 2015

NASA spacecraft on collision course with Mercury

A NASA spacecraft that made surprising discoveries of ice and other materials on Mercury will crash on the planet around April 30, scientists said on Thursday. The Mercury Surface, Space ENvironment, GEochemistry, and Ranging, or MESSENGER, probe has been circling the innermost planet of ...

Aug 7, 2014

Oceans getting more tainted with man-made mercury

Levels of the metal mercury in much of the world’s oceans are double to triple what they were before the Industrial Revolution, a new study says. Researchers found there’s more mercury from human sources — mostly burning fossil fuels and mining for gold — ...

Jul 10, 2014

Minamata disease applications rejected under new criteria

The Environment Ministry said Wednesday it has rejected demands from four people to be officially recognized as sufferers of Minamata mercury-poisoning disease, under new criteria adopted in March. Following recommendations by an ad hoc certification panel, the ministry made its first judgments on applications ...

Tiniest planet Mercury is getting even smaller

Mar 17, 2014

Tiniest planet Mercury is getting even smaller

Detailed maps of Mercury’s cliffs and ditches show the solar system’s innermost and smallest planet, Mercury, has lost much more real estate due to cooling over 4 billion years than scientists thought, according to a report published Sunday. Cooling of Mercury’s massive iron core ...

Mercury still threat, Abe assurances or not

| Oct 21, 2013

Mercury still threat, Abe assurances or not

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Earlier this month, delegates from over 130 nations gathered in Kumamoto to launch the Minamata Convention on Mercury. The U.N.-brokered treaty aims to limit mercury use and emissions. It comes at a time when the U.N. Environmental Program warns half of all global anthropogenic ...

Minamata Convention is adopted

Oct 10, 2013

Minamata Convention is adopted

A thousand delegates from around 140 nations adopt a treaty in Kumamoto regulating the use and trade of mercury at a global conference organized by the U.N. Environment Program.

Minamata mercury treaty finds skeptics

Oct 7, 2013

Minamata mercury treaty finds skeptics

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Delegates from about 130 countries will gather Wednesday in the Kumamoto Prefecture cities of Minamata and Kumamoto for a three-day meeting to finalize a new international treaty seeking to ban or greatly limit the use of mercury. But critics say the treaty contains too ...