Microbe Miner: A Profile of Rob Knight
Microbe Miner: A Profile of Rob Knight
Developing computational tools to analyze the reams of microbial sequencing data his lab generates, the UC San Diego microbiologist is a pioneer of microbiome research.
Microbe Miner: A Profile of Rob Knight
Microbe Miner: A Profile of Rob Knight

Developing computational tools to analyze the reams of microbial sequencing data his lab generates, the UC San Diego microbiologist is a pioneer of microbiome research.

Developing computational tools to analyze the reams of microbial sequencing data his lab generates, the UC San Diego microbiologist is a pioneer of microbiome research.

earth
Fossilized Tubes Point to Super-Ancient Mobile Organisms
Fossilized Tubes Point to Super-Ancient Mobile Organisms
Jef Akst | Feb 12, 2019
If the structures identified in a 2.1-billion-year-old rock are really signs of burrowing organisms, it would push back the earliest known mobile organisms by 1.5 billion years.
Life Thrives Within the Earth’s Crust
Life Thrives Within the Earth’s Crust
Catherine Offord | Oct 1, 2018
From journeys into mines to explorations of volcanoes on the ocean floor, deep voyages reveal the richness of the planet’s deep biosphere.
Oldest Evidence of Terrestrial Life on a Young Earth
Oldest Evidence of Terrestrial Life on a Young Earth
Anna Azvolinsky | Jul 23, 2018
Microbes were living on land as early as 3.22 billion years ago, fossilized rocks show, 500 million years earlier than previously documented.
Rivers and Streams Compose Much More of Earth's Surface Than Thought
Rivers and Streams Compose Much More of Earth's Surface Than Thought
Shawna Williams | Jun 28, 2018
A new estimate bumps up the area previously estimated to be covered by running water by more than 40 percent.
Humanity May Have Flourished After Supervolcano Eruption
Humanity May Have Flourished After Supervolcano Eruption
Diana Kwon | Mar 13, 2018
A new study counters the popular theory that after Mount Toba blew its top 74,000 years ago, humans almost went extinct.
Earth: Home to 1 Trillion Microbial Species
Earth: Home to 1 Trillion Microbial Species
Catherine Offord | May 4, 2016
A new analysis of microbial data estimates that the world is home to 1 trillion species—of which only 0.001 percent have been discovered.
Life Before 4 Billion Years Ago?
Life Before 4 Billion Years Ago?
Jef Akst | Oct 20, 2015
A new estimate of the origin of life on Earth pushes back the date by 300 million years.
Is Earth Special?
Is Earth Special?
David Waltham | Mar 1, 2014
Reconsidering the uniqueness of life on our planet
Book Excerpt from <em>Lucky Planet</em>
Book Excerpt from Lucky Planet
David Waltham | Mar 1, 2014
In the book's prologue, author David Waltham compares a fictitious planet to Earth, highlighting the biologically supportive luck that our planet has enjoyed.