For the first time, astronomers have found molecular oxygen — the same gas humans need to breathe — in a galaxy outside the Milky Way. Oxygen is the third most common element in the cosmos, after ...

New research reveals that nickel and urea once throttled Earth’s earliest oxygen producers, delaying the planet’s ...

Astronomers detect molecular oxygen in space using the Herschel Space Observatory, revealing secrets of the Orion Nebula. , located about 1,500 light-years from Earth. This takes astronomers one step ...

Scientists have discovered a new way to make molecular oxygen (O2) from carbon dioxide (CO2) -- no green plants involved. Their findings could alter our understanding of the Earth’s early atmosphere ...

Chemists have achieved a new feat in the realm of chemical design and synthesis: They've helped create the first example of a synthetic molecule, with an asymmetric oxygen atom as its centerpiece, ...

Why does your favorite T-shirt fade over time in the sun? Why do you get sunburn and why does autumn herald with brown leaves? These questions all have one thing in common: the interplay between dye ...