Penn State researchers think a key ingredient for life may have formed in deep freeze, not in a warm asteroid puddle. A space sample with a new twistScientists at Penn State; led by geoscientist ...

The discovery is just the latest to come from the asteroid sample, which dates back to the dawn of the solar system.

Amino acids from asteroid Bennu suggest that some of life’s building blocks formed in icy conditions in the early solar system.

The traditional explanation of the initial genetic code in life seems less established when ancient proteins seem to be ...

Tiny grains of dust from asteroid Bennu are reshaping how scientists think life’s ingredients formed in space.

Dust from asteroid Bennu is revealing a surprising origin story for life’s building blocks. New research suggests some amino acids formed in frozen ice exposed to radiation, not warm liquid water as ...

Amino acids, the building blocks necessary for life, were previously found in samples of 4.6-billion-year-old rocks from an ...

When the skin is injured, a stem cell’s survival instincts kick in. New research reveals that a simple amino acid, serine, helps push stem cells to abandon hair growth in favor of wound healing, ...

Cutting a single amino acid from the diet caused rapid, drastic weight loss in mice by converting white fat into calorie-burning brown fat. The study reveals a powerful new mechanism for weight loss ...

By uncovering the molecular interactions that give spider silk its remarkable properties, researchers have revealed principles that could inspire advanced materials and shed light on biological ...