Period loss, or amenorrhea, affects approximately 3% to 4% of women of reproductive age. It can be the body’s response to an ...

Zooming in on 78 disks in the Ophiuchus star-forming region, scientists saw hitherto undiscovered structures around young ...

Sweeping views of nebulae and dancing galaxies prove the telescope’s enormous field of view and ultra-high-res capabilities.

A female has about 1 million eggs at birth, but this decreases throughout her life. Learn how many eggs a woman has at ...