Four people have been arrested, including the founder and CEO of a Troy medical facility, after an explosion inside a hyperbaric oxygen chamber at the Troy site killed a 5-year-old boy.

It is widely believed that Earth's atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid increase in microorganisms capable of performing photosynthesis.

DETROIT — Four people have been arrested in connection with an explosion inside a hyperbaric oxygen therapy chamber at a Troy medical facility that killed a five-year-old boy who was inside.

“They can be pitted against each other, but I see them as complementary, and as CEO, I can connect the two ... despite the steady uptake on portable oxygen concentrators, why he thinks the stationary ...

BROOKLINE POLICE SAY TONIGHT, 39 YEAR OLD HARRISON RANDALL OF ROSLINDALE HAS BEEN ARRESTED AND CHARGED WITH SIX COUNTS OF A Boston man was arrested Wednesday in connection to the vandalism of ...