Life in the deep biosphere is nothing short of miraculous. Temperatures can soar to over 120 degrees Celsius, crushing pressures build with every meter of depth, and oxygen is often scarce or ...

How did Earth, alone among the solar system's rocky planets, become the home for life? How, among all this frigid ...

The deep-sea volcanoes beneath Earth’s oceans may offer vital clues in the search for alien life on Europa, one of Jupiter’s moons. With a $621,000 award from NASA, University of Massachusetts Amherst ...

The idea that life on Earth arose through a series of improbable "hard" evolutionary steps may be misjudged, according to a new paper that says our Earth had a big say in matters.

As a result, they were able to estimate the total life that Earth has produced since its beginning — about 10^40 cells, roughly 10 billion times more than currently exist.

Ancient oceans with phosphorus-rich waters may have supported some of Earth’s earliest microbial life, according to a new ...

The newfound alien planet Alpha Centauri Bb is the closest yet found and Earth-size but likely doesn't host alien life. So why is Earth the only known planet with life?

Did life begin on Mars and then travel to Earth for its blossoming? A long-debated and often-dismissed theory known as "panspermia" got new life in the past week, as two scientists separately ...

The origin of life on Earth stands as one of the great mysteries of science. To find out if we are alone in the galaxy, we will need to better understand what geochemical conditions nurtured the first ...

Earth will one day look very different One billion years from now, Earth’s atmosphere will contain very little oxygen, making it uninhabitable for complex aerobic life. Today, oxygen makes up ...

The most catastrophic wipe-out on Earth didn’t happen to the dinosaurs. A new study found extreme changes in the atmosphere killed almost 100% of life on Earth about 2 billion years ago ...