The Cambrian Explosion is a landmark moment in the history of life on Earth when many of the major groups of animals first ...

If measured from beginning to end, the DNA in our cells is too long to fit into the cell's nucleus, explaining why it must be ...

The pig’s heart was graying rapidly, so McCully decided to try it. He loaded a syringe with the extracted mitochondria and ...

For the first time, scientists have 3-D printed objects within living cells, including a 10-micrometer long elephant and tiny “barcodes” that could help track individual cells. Remarkably, many of the ...