Laboratory analysis has confirmed the presence of the essential amino acid, tryptophan, within the Bennu asteroid samples.

Researchers have discovered chemical traces of life in rocks older than 3.3 billion years, offering a rare look at Earth’s earliest biology. By combining advanced chemical methods with artificial ...

NASA has found sugars essential for life on Earth in samples of the 4.6 billion-year-old Bennu asteroid. Scientists ...

We knew from prior analyses that a distant asteroid sampled in 2020 carried all but one of the molecules needed to kick-start ...

A new study uncovered fresh chemical evidence of life in rocks more than 3.3 billion years old, along with molecular traces showing that oxygen-producing photosynthesis emerged nearly a billion years ...

Learn how sulfur-based molecules essential to life may have formed before the first living systems appeared.

Researchers find that cosmic dust acts as a catalyst, helping simple space gases form key molecules that may jump-start ...

Scientists found the first natural proof that underwater volcanoes make ammonia without biology, a reaction that may have ...

Scientists found 3.3 billion-year-old biosignatures in ancient meteorites and fossils—a billion years older than we thought possible.

Complex life, eukaryotes, traces its origins to a shared ancestor among the Asgard archaea, reshaping our understanding of ...

Two enormous structures that sit at the border between the Earth's mantle and its core have puzzled scientists for decades.

When are AGW denialists, evolution denialists, and other counterfactual obscurantists' claims "competing legitimate interests"? So, you don't regard any of these gaffs in the below partial list are ...