Add Yahoo as a preferred source to see more of our stories on Google. Composite of three mages from new microscope technology show a cell's replication machinery in green, already-replicated DNA is ...

As space agencies prepare for human missions to the moon and Mars, scientists need to understand how the absence of gravity ...

What does the inside of a cell really look like? In the past, standard microscopes were limited in how well they could answer this question. Now, researchers have succeeded in developing a microscope ...

Using a tiny, spherical glass lens sandwiched between two brass plates, the 17th-century Dutch microscopist Antonie van Leeuwenhoek was the first to officially describe red blood cells and sperm cells ...