Coast Guard's Thad Allen says Friday through Saturday morning is a pivotal time for the top kill procedure, which aims to cap the well feeding the Gulf oil spill. President Obama, in Louisiana, says he is tripling the clean-up manpower in areas where oil is on shore.
Unearthed in Mexico, a newly discovered species of dinosaur was found to have had horns bigger than any member of its group, including the legendary Triceratops.
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Homeland Security has asked law enforcement in Houston to be on the lookout for a suspected member of al-Shabaab, a Somalia-based terror group.
Democratic senators have stopped a move by John McCain to send an additional 6,000 National Guard troops to the US-Mexico border.
US Attorney General Eric Holder met Wednesday with a group of police chiefs, who bolstered Mr. Holder's own criticisms of the Arizona immigration law.
Manatees, bluefin tuna, and Kemp’s ridley turtles are especially challenged by the BP oil spill. The Kemp’s ridley turtle is an endangered species that until recently was threatened with extinction.
Obama's order for more troops to the Mexico border came only after political pressure. The president must first persuade Hispanic voters of the need for long-term security of the border before legalization of illegal immigrants in the US.
Departing from its complaints about the Arizona immigration law, Mexico cautiously welcomes President Barack Obama's plan to send 1,200 troops to the border.
President Obama ordered 1,200 National Guard troops to the Mexico border in an effort to reach out to Republicans. He'll need their support to move forward on immigration reform.