miguel rangel

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The Rare, Potent Fuel Powering North Korea’s Weapons

When North Korea launched long-range missiles this summer, and again on Friday, demonstrating its ability to strike Guam and perhaps the United States mainland, it powered the weapons with a rare, potent rocket fuel that American intelligence agencies believe initially came from China and …

North Korea

Star Should Have Gone Supernova, But it Imploded Into a Black Hole Instead

Collapsing stars are a rare thing to witness. And when astronomers are able to catch a star in the final phase of its evolution, it is a veritable …

Universe

After subdued trip to Mexico, Trump talks tough on immigration in Phoenix

MEXICO CITY — Donald Trump, who has made maligning illegal immigrants from Mexico a cornerstone of his presidential campaign, met with Mexican President Enrique Peña Nieto on Wednesday — striking a remarkably subdued and cooperative tone as he faced a world leader who forcefully opposes his …

Donald Trump

Golden State Warriors Set NBA Record With 73-Win Season

NBA’s best breaks the regular season wins record set by the Jordan-led 1995-96 Chicago Bulls<p>By<p>Ben Cohen<p>Ben Cohen<p>The Wall Street Journal<p>Biography<p>@bzcohen<p>Google+<p>ben.cohen@wsj.com<p>For the past 20 years, Michael Jordan and the 1996 Chicago Bulls were the impossible standard across the NBA, a …

Basketball

‘Smoking Gun’ Reveals How the Inflationary Big Bang Happened

New findings show that the universe underwent a burst of inflation that was seemingly faster than the speed of light in the first instant of its existence, throwing off a storm of exotic gravitational waves in the process.<p>The evidence comes from the BICEP2 experiment at the South Pole, which …

Physics