Helping homeowners and real estate professionals eliminate cigarette smoke and persistent indoor odors without costly ...

Ancient enzymes show life’s nitrogen signal stayed unchanged for billions of years, helping scientists read early Earth.

Some of Earth’s earliest microbes evolved the ability to use oxygen hundreds of millions of years before it accumulated in ...

The "Home Alone" and “Schitt’s Creek" star died of a pulmonary embolism, which affects the lungs, and she also had rectal cancer, according to her death certificate.

As the climate crisis becomes a part of daily life with unprecedented heat waves and cold snaps, technology to effectively remove greenhouse gases is emerging as a critical global challenge. In ...

Untreated sleep apnea can affect memory and other aspects of cognitive health, and it can get worse over time, with many ...

Oxygen fills the air today, but for most of Earth’s early history it barely existed. Scientists say the atmosphere did not hold steady oxygen until about 2.

Oxygen is everywhere on Earth today. But that hasn’t always been the case. Scientists think oxygen only became a lasting part ...

A new study suggests that some of the world’s oxygen-deprived oceans could eventually regain higher oxygen levels in the ...

Oxygen is considered essential for life on Earth, as most living organisms depend on it to produce energy and survive. However, the way nature works is much more complex and adaptable than we might ...