A collaborative team of scientists has discovered that life on Earth over three billion years ago relied on the metal ...

Comparison of planetary atmospheres : Mars, Venus, and Earth / Michael McElroy -- Cosmochemical evolution and the origins of life / Cyril Ponnamperuma -- Origin of life : polymers before monomers? / ...

The black star represents the position of the star. The colored lines are the orbits of two planets. The yellow one is the outer, and it is highly inclined. The inner one is the red one. As time ...

The evolution of planet Earth and the emergence of life during its first half-billion years are inextricably linked, with a series of planetwide transformations—formation of the ocean, evolution of ...

The Cambrian Explosion in which life on Earth underwent massive diversification was likely triggered by eccentricities in Earth’s orbit around our Sun. Or so say the authors of a new paper just ...

Part I: How has Earth evolved? -- The birth of planet Earth -- Learning the age of Earth -- The evolution of continents -- Life and conditions on early Earth -- Reading rocks: the story of the Grand ...

Bacteria are the most diverse organisms on Earth, with a number of species that’s difficult to quantify. They’re also incredibly old. Bacteria consist of a single cell. They do not have bones and are ...

Where did all the water come from? Water, water everywhere. It covers 70% of Earth’s surface and earns it the nickname “the blue planet.” And yet … where did it come from? How is it so abundant on our ...

A new experimental study published in Geochimica et Cosmochimica Acta reveals that Mercury’s sulfur-rich interior behaves in ways that challenge long-standing Earth-based models of planetary evolution ...