A research team led by Professor Sun Qing-Feng in collaboration with Professor He Lin's research group from Beijing Normal ...

Guided by ultrasound, the abortionist grabs the baby's leg with forceps. The baby's leg is pulled out into the birth canal. The abortionist delivers the baby's entire body, except for the head.

"Mission 7 broke new ground by showcasing the X-37B’s ability to flexibly accomplish its test and experimentation objectives across orbital regimes." Gen. Chance Saltzman, chief of space ...

Eclipses don't happen every month because the moon orbits Earth on an orbital path that's slightly ... There are three main solar eclipse types. During a partial solar eclipse, a new moon appears ...

In contrast, during a total solar eclipse — which is preceded by a partial eclipse — the moon completely covers the sun, ...