The heaviest known star – with a mass 320 times greater than the Sun's – has been discovered at the edge of our galaxy by British astronomers. Scientists at the University of Sheffield found the stellar giant – named R136a1 – using the European southern Observatory's Very Large Telescope in Chile and data from the Hubble Space Telescope.
The star is located in the Tarantula Nebula in the Large Magellanic Cloud, a small "satellite" galaxy which orbits the Milky Way. Previously, the heaviest known stars were around 150 times the mass of the Sun, and this was believed to be close to the cosmic size limit.




A global network of lobby groups has spent nearly $100 million since the mid-1980s to preserve the international market for asbestos, a known carcinogen that's taken millions of lives and is banned or restricted in 52 countries, the International Consortium of Investigative Journalists has found in a nine-month investigation.
The IDF's Civil Administration destroyed a Palestinian village Monday morning that had earlier been cleared out when its water supply was cut off.
As political agreements on clean energy remain elusive, the countries that use most of the world's energy launched steps Tuesday to get more clean energy into the global market, including moves toward TVs that waste less electricity, more cars that don't need gasoline, and buildings and factories that use power more efficiently.
British and U.S. intelligence had no credible evidence of a link between Saddam Hussein and the Sept. 11, 2001, attacks on the United States before the 2003 Iraq invasion, the ex-head of Britain's domestic spy agency told the country's inquiry into the war Tuesday.
In the hours before the Deepwater Horizon drilling rig exploded, BP pumped into the well an extraordinarily large quantity of an unusual chemical mixture, a contractor on the rig testified Monday.





























