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Col. DeAnna Burt commands the men and women who maintain the Global Positioning System satellites.

Gen. Petraeus pleaded guilty to a misdemeanor charge of unauthorized removal of classified materials and admitted to making false claims to the FBI. Would Donald Trump be able to grant security clearance for Petraeus to handle classified information? CNN's Barbara Starr reports.

CNN's Barbara Starr examines if President-elect Trump could personally intervene to get Petraeus a security clearance as the nation's top diplomat.

CNN's Jim Sciutto sketches out a space war scenario that has US officials worried and the havoc it would wreak across the US.

CNNMoney's Cristina Alesci talks to Rep. Gregory Meeks of the House Financial Services Committee about how Democrats plan to press Trump on his business conflicts without the power of the subpoena.

One of the last doctors in the Syrian city of Aleppo, Dr. Hamza al-Khatib, appeals for more international help in interview with CNN's Christiane Amanpour.

CNN's Michaela Pereria has more talks about the signs and symptoms of exercise- induced asthma.

A TV segment showing how to use makeup to conceal bruises from domestic violence sparked outrage from critics.

First, we called to tell them the news. Then this happened next.

Karla Jacinto, a former victim of sexual abuse and human trafficking is not just surviving, she's thriving -- as a human rights activist who speaks against modern-day slavery. CNN's Rafael Romo reports.

Many people were moved by Diana Gil's video of her grandmother, who suffers from Alzheimer's disease, reacting to the news of Fidel Castro's death.

CNN's Jomana Karadsheh looks at life in Aleppo through the experience a 7-year-old.

Mobileye, an Israeli car tech startup, has partnered with BMW and Intel to bring their self-driving technology to the road by 2021.

President of Ohio State University Dr. Michael Drake holds a news conference about an attack on campus that has left 10 hospitalized.

An active shooter has been reported on the Ohio State University campus, according to the university's Department of Public Safety website.

Chris Salgardo is not what you expect the president of a major skin care company to be but he is as loved as he is successful. His philosophy and his love for all things beautiful and genuine are bringing the Kiehl's Since 1851 company into the future.

A suspect attacked several people with a knife at Ohio State University, sending eight people to hospitals and prompting a campus-wide lockdown, authorities said.

Aquarius Engines is redesigning car engines two to three times more fuel efficient than the average engine.

Sources say a suspect is dead after a shooting has been reported on Ohio State University's campus.