The average diameter by young adulthood (16–20 years) of the venous system is as follows: right transverse 7.6 mm, left transverse sinus 6.1 mm, superior sagittal sinus 8.7 mm, right sigmoid 10.0 mm, ...

NASA has released the Lucy spacecraft's first close-up images of asteroid Donaldjohanson, revealing a peanut-shaped rock that could shed light on how planets formed in our solar system.