Tags Origin of Life

Tag: Origin of Life

Less life: Limited phosphorus recycling suppressed early Earth’s biosphere

The amount of biomass -- life -- in Earth's ancient oceans may have been limited due to low recycling of the key nutrient phosphorus,...

Space dust may transport life between worlds, research suggests

Life on our planet might have originated from biological particles brought to Earth in streams of space dust, a study suggests. Fast-moving flows of interplanetary...

Oxygen levels link to ancient explosion of life, researchers find

Oxygen has provided a breath of fresh air to the study of the Earth's evolution some 400-plus million years ago. A team of researchers, including...

Scientists Find Potential “Missing Link” in Chemistry That Led to Life...

Chemists at The Scripps Research Institute (TSRI) have found a compound that may have been a crucial factor in the origins of life on...

Mars study yields clues to possible cradle of life

The discovery of evidence for ancient sea-floor hydrothermal deposits on Mars identifies an area on the planet that may offer clues about the origin...

Meteorites may have brought building blocks of life to Earth

Life on Earth began somewhere between 3.7 and 4.5 billion years ago, after meteorites splashed down and leached essential elements into warm little ponds,...

Life on Earth may date back 3.95 bn years”Study”

Rudimentary life may have existed on Earth 3.95 billion years ago, a time when our infant planet was being bombarded by comets and had...

Did life begin on land rather than in the sea?

For three years, Tara Djokic, a Ph.D. student at the University of New South Wales Sydney, scoured the forbidding landscape of the Pilbara region...

Ancient animal thought to be first air breather on land loses...

Some good scientific sleuthing by an undergraduate at The University of Texas at Austin has helped rewrite one of the earliest chapters in the...

Volcanoes: Referees for the life on Earth

At the Triassic-Jurassic boundary, 200 million years ago, some 60% of species living on Earth disappeared. Scientists suspected that magmatic activity and the release...

New insights into the ancestors of all complex life

A team of scientists led by the University of Bristol has provided new insights into the origins of the Archaea, the group of simple...

Sea level as a metronome of Earth’s history

Sedimentary layers record the history of Earth. They contain stratigraphic cycles and patterns that precisely reveal the succession of climatic and tectonic conditions that...

Oldest evidence of life on land found in 3.48 billion-year-old Australian...

Fossils discovered by UNSW scientists in 3.48 billion year old hot spring deposits in the Pilbara region of Western Australia have pushed back by...

Discovery in northern lakes may be key to understanding early life...

A team of researchers has discovered that many Canadian lakes can provide new insights into ancient oceans, and their findings could advance research about...

Biochemical ‘fossil’ shows how life may have emerged without phosphate

One major mystery about life's origin is how phosphate became an essential building block of genetic and metabolic machinery in cells, given its poor...

Study breathes new life into 2.3 billion year old ‘Great Oxidation...

Research led by the University of St Andrews and published yesterday (Monday 6 February) in Nature – provides new insight into how life evolved...

Rare meteorites challenge our understanding of the solar system

Researchers have discovered minerals from 43 meteorites that landed on Earth 470 million years ago. More than half of the mineral grains are from...

Simple fats, amino acids to explain how life began

Life is a process that originated 3.5 billion years ago. It emerged when the basic components of the cells that we know today, in...

First humans arrived in North America a lot earlier than believed

The timing of the first entry of humans into North America across the Bering Strait has now been set back 10,000 years. This has been...

Study of 3.5 billion years of Earth’s history

For three billion years or more, the evolution of the first animal life on Earth was ready to happen, practically waiting in the wings....

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