The Titan submersible disaster that killed five people on the way to the Titanic was “preventable,” the U.S. Coast Guard said ...

Dr. Michael Guillen joins "Elizabeth Vargas Reports" to discuss the latest Coast Guard report detailing OceanGate's safety ...

In September 2000, Michael Guillen, a trained physicist and then-science editor for ABC News, was invited on an expedition run by a group of Russians to be the first journalist in history to make ...

In September 2000, Michael Guillen, a trained physicist and then-science editor for ABC News, was invited on an expedition run by a group of Russians to be the first journalist in history to make ...

In September 2000, Michael Guillen, a trained physicist and then-science editor for ABC News, was invited on an expedition run by a group of Russians to be the first journalist in history to make ...

"I do have privileged information I can't discuss," Michael Guillen, a former science editor at ABCNEWS, told Good Morning America, adding, "You begin to develop an intuition about what they're up ...

She said she would allow a freelance journalist -- former ABC television science reporter Michael Guillen -- to appoint an independent group of experts to investigate her claim and disclose its ...