Add Yahoo as a preferred source to see more of our stories on Google. It's still unclear why a private plane veered off course and crashed into a Virginia forest Sunday, but it's possible that a loss ...

Federal authorities are investigating the cause of Sunday’s private plane crash in rural Virginia, which prompted a response by military jets that caused a sonic boom heard across the Washington ...

New Delhi: Oxygen deficiency, medically called hypoxia, describes a state in which tissues receive insufficient oxygen to meet metabolic needs. In the context of cancer, tumour hypoxia refers to areas ...

A dramatic Lear 25 incident illustrates how severe hypoxia leads to tunnel vision and impaired judgment in pilots, causing them to refuse life-saving instructions even after declaring an emergency.

It's still unclear why a private plane veered off course and crashed into a Virginia forest Sunday, but it's possible that a loss of cabin pressure could have rendered the pilot and passengers ...