The origins of life on Earth have long fascinated scientists, particularly the nature of the last universal common ancestor ...

Although these new life-forms spread worldwide ... The Mistaken Point fossils, going back 570 million years, are the earliest evidence on Earth of large, biologically complex beings.

The paper shows how Earth's earliest life forms—microbes such as O 2-producing bacteria and methane-producing archaea—shaped, ...

A new study suggests that the explosive deaths of the universe's earliest stars created surprising quantities of water that ...

UK researchers have confirmed the existence of a “super Earth” located 20 light-years away that could reveal the existence of ...

In a new peer reviewed analysis, scientists quantify amino acids before and after our “last universal common ancestor.” The ...

The Earth is rich with life because it is rich with water ... grew in abundance over time. From the first stars to the ...

Few questions in the history of science eclipse the all-important investigation into how life first formed on Earth. Although there are many theories, one leading idea is that the hydrothermal vents ...

In the orange layers, the rock dried out too quickly for the microscopic algae — also known as cyanobacteria, the earliest known form of life on Earth — to grow, according to the DBCA.

multicelled life-forms almost four billion years later. What Was Happening on Earth at This Time The Precambrian is the earliest of the geologic ages, which are marked by different layers of ...

It records a critical milestone in Earth's history, when the atmosphere was changing rapidly and atmospheric oxygen was increasing - a key indication that primitive life on Earth was blooming ...

Fungi were some of the first complex life forms on land ... an asteroid strike would wipe out 70 percent of all life on Earth. But it wouldn’t happen all at once. The lack of sunlight that ...