A scrappy science project led to a significant discovery: two new species of a rare organism that could elucidate a ...

A carbon atom can form four single bonds. Graphic: Carbon with four bonds in 3D. In three dimensions, these four bonds are arranged tetrahedrally. Graphic: Tetrahedral bond arrangement. Which means ...

To celebrate the groundbreaking research of 2025 Drake Award recipients Dr. David Deamer and Dr. John Baross, the SETI Institute commissioned bioartist Dr. Jennifer Willet to create a unique artwork ...

A fossil collector since childhood, Bob Hazen has come up with new scenarios for life's beginnings on earth billions of years ago. Amanda Lucidon A hilly green campus in Washington, D.C. houses two ...

The geological time scale, established by scientists in the mid-19th century and agreed upon internationally, breaks down the eternity of our planet's history into more manageable units than years.

At some point during the evolution of life on Earth, inorganic matter became organic, nonliving matter became living. How this happened is one of humankind's greatest mysteries. Today, scientists work ...

When a bone grows, our bodies’ proteins help provide the structure. When a muscle tears, proteins help rebuild it. When we fight an infection, transport oxygen in our blood or send messages to a cell, ...

Modern cells are complex chemical entities with cytoskeletons, finely regulated internal and external molecules, and genetic material that determines nearly every aspect of their functioning. This ...

How life evolved is one of the central questions in science and has fascinated humans for centuries. Early Earth was undoubtedly a harsh environment, but we know surprisingly little about the ...

When and where did life on Earth begin? What ingredients does the recipe for life require? Is there life out there beyond the stars, and if so, did it arise in the same way? Or are we alone in the ...

In the late 1950s, a small group of scientists began to search for alien life. Among them was geneticist Joshua Lederberg at Stanford, who in 1960 spoke at the First International Space Science ...

In many submerged regions, murky mud shelters strange life-forms that seem to be the key to one of the biggest mysteries of life on Earth. These creatures belong to a domain of life called the archaea ...