In 1610, after he built his telescope, Galileo Galilei first spotted enormous Saturn's gigantic rings. More than 400 years later, astronomers have in a sense dwarfed that discovery with a similar first.
At least 10 people and two attackers were killed in Tuesday's attack against the luxurious Corinthia Hotel in Tripoli, Libya, a spokesman for a security division of the Ministry of Interior in Tripoli said.
President Cristina Fernandez de Kirchner has proposed the dissolution of Argentina's domestic intelligence service, as the country deals with the fallout from the mysterious death of a federal prosecutor who accused its leaders of a criminal cover-up over Argentina's deadliest terror attack.
As a prisoner in Auschwitz, Eva Mozes Kor became sick after receiving multiple mysterious injections. Dr. Mengele, known as the angel of death, said she had weeks to live. Watch "Voices of Auschwitz" Tuesday at 9 p.m. ET.
President Barack Obama defended Tuesday the need to maintain a close alliance with Saudi Arabia, a strategic U.S. ally with a poor human rights record, shortly before leaving India for a short visit to the Gulf Kingdom.