A SeaWiFS image from 1997 depicted a phytoplankton bloom in the English Channel, illustrating the visible impact of life in aquatic environments from space. NASA's planetary exploration prioritizes ...

Earth’s habitability may trace back to a precise chemical balance during its formation, one that kept life-critical elements from disappearing into the core or drifting into space.

Earth provides a comfortable and temperate environment for a wide variety of living organisms. However, in the past few decades, scientists have discovered unusual life forms thriving in areas where ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. The origins of how life on Earth arose remains a deep existential ...

Every person has probably heard the simple fact that humans can only live three days without water. While that is in fact true, the meaning is deeper than the surface level. Water is essential to life ...

The possibility that there is liquid water on an exoplanet’s surface usually flags it as “potentially habitable,” but the reality is that too much water might prevent life from taking hold. “On Earth, ...

Life may have emerged on Mars and Earth at the same time. That's according to new evidence found in a Martian meteorite that indicates the key ingredient for life, water, appeared on Mars around 4.4 ...

Humanity has long looked at the stars and dreamed of what kind of life might exist elsewhere in the universe. In their book Extraterrestrials: A Field Guide for Earthlings (Camden House, 1994), ...

Water For Life is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and ...