Astronomers have discovered the darkest known exoplanet -- a distant, Jupiter-sized gas giant known as TrES-2b.

A much reduced covering of snow, shorter winter season and thawing tundra. The effects of climate change in the Arctic are already here. And the changes are taking place significantly faster than previously thought.

According to public relation of GSI, Dr. Razieh Lak, a manager of marine geology, announced about accomplishment of greatest marine geology investigations in Persian Gulf water bodies and he said: marine geophysics surveys include shallow seismology with high quality and imaging from Persian Gulf Bed in area of Northern Gheshm Water Channel, Laft, Boustano and Bandar Abbas was accomplished by attempt of marine geophysics department in 60 days consequently.

On June 30, 2011 amendments to National Instrument 43-101 Standards of Disclosure for Mineral Projects (NI 43-101) will become effective.

Kaplan Fox & Kilsheimer LLP (www.kaplanfox.com) has filed a class action suit against Puda Coal, Inc. ("Puda Coal" or the "Company") (NYSE Amex: PUDA) that alleges violations of the Securities Exchange Act of 1934 and the Securities Act of 1933 on behalf of purchasers of Puda Coal common stock during the period September 15, 2009 through April 8, 2011, inclusive, including investors who purchased Puda Coal common stock in the Company’s December 8, 2010 public offering of common stock (the "Class").

The UK’s biggest coal producer, based in Doncaster, has admitted to "deep-rooted problems" after it recorded losses of more than £100 million for the second year in a row.UK Coal, which has three deep mines in the Midlands and Yorkshire and employs nearly 3,000 people, has already taken some "immediate and difficult" steps to improve performance while it works on a full strategic plan that it hopes will identify a viable business model.

Lithogeochemical samples studies are carried out in North East Iran

Discovering of gold mines in several provinces in the country