Getting an up-close view of life at the cellular level can be as simple as placing onion skin under a microscope and adjusting the knobs. Peering deeper, into the heart of the atoms within, isn't as ...

Advances in organ and computer models are raising the prospect that some animal experiments could be eliminated. But there ...

Living cells are sustained by countless chemical reactions that must be carefully regulated to maintain internal order and ...

Researchers have been studying tens of thousands of proteins and even more variations without a yardstick to compare their results.

Mars’ frozen ice caps may be time capsules for ancient life. Lab experiments show that key building blocks of proteins can survive tens of millions of years in pure ice, even under relentless cosmic ...