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 ...

Suggested Citation: "Front Matter." National Academies of Sciences, Engineering, and Medicine. 2023. Origins, Worlds, and Life: Planetary Science and Astrobiology in ...

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 ...

Something written in every biology textbook of the past 70 years may need a rewrite. Not because the science was careless, or the scientists were wrong to try – but because the tools available at the ...

Still, no single model has yet shown exactly how life began.

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One of the most elegant theories about the origins of life on our planet is that it was kick-started by a delivery from outer space. This idea suggests that prebiotic molecules—the building blocks of ...

The origin of life on Earth becomes even more fascinating and complex as we peer into the mysterious world of viruses. Said to have existed since living cells first appeared, these microscopic ...

Membrane compartments (vesicles) were prepared from two phospholipids with distinct acyl-chain structures, each encapsulating a different DNA species. Upon repeated freeze–thaw (F/T) cycles, the ...

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 ...

We've been looking at nature the wrong way, argues Rowan Hooper. If we stop focusing on the individual, we get a whole new picture of how life on Earth – and elsewhere – may have begun ...

Oceans churned with lava. Air filled thick with smoke. Asteroids stormed down incessantly. Life during the Hadean Eon four billion years ago was a struggle, and yet that was when it began. 1,2 With no ...