Intuitive Machines sent final commands to its uncrewed Athena spacecraft on Thursday as it closed in on a landing spot near ...

Firefly Aerospace’s Blue Ghost spacecraft has captured some stunning footage from 75 miles (120 kilometers) above the lunar surface as it gears up for its highly anticipated landing attempt on ...

"Chicken sperm cells are not as cryotolerant as, for example, the sperm cells of bulls, which is mainly due to their morphology (the shape, size, and structure) and their plasma membrane composition," ...