Oxygen depletion in Earth’s freshwater and marine ecosystems is approaching alarming levels, threatening global stability. Scientists call for its recognition as a planetary boundary to spur urgent research and policy action.

The FAA is investigating recent SpaceX and Blue Origin accidents, UNASA is facing leadership changes under the new U.S. administration, China has demonstrated oxygen production in space, and discussions on preserving the Moon’s heritage. This Week in Space

Natural metal nodules release oxygen in the dark depths of the ocean, challenging the long-held belief that oxygen production is impossible without photosynthesis.

The five layers of the atmosphere and their gas composition are essential to our existence, just like the air we breathe.

Could burying trees in the ocean reduce atmospheric carbon dioxide levels and help combat global warming?

We all yawn, and the urge to yawn is highly contagious, yet science remains puzzled by this phenomenon

Muscles soreness after exercise is due to microscopic tears in muscle fibers, rather than buildup of lactic acid

What is a fontanelle? When did the Iron Age begin? And what is the normal breathing rate? A Challenging Scientific Trivia.

How did we manage to curb ozone depletion within just a few decades and what can this teach us?

The journey from a cosmic cloud of gas to the solid, rocky planet that we inhabit was long and complex

A rapid increase in life diversity on Earth occurred about half a billion years ago. How does it affect life today?

Researches were able to feed a tadpole’s brain oxygen produced by unicellular algae placed inside it

273rd birthday of Antoine-Laurent de Lavoisier, the ‎Renaissance man who ‎institutionalized chemistry as a scientific discipline