New high-resolution simulations reveal that stellar rotation plays a crucial role in transporting material inside red giant stars.

Astronomers from the University of Helsinki have found that the rotational profile of a nearby star, V889 Herculis, differs considerably from that of the Sun. The observation provides insights into ...

For nearly half a century, astronomers have believed that stars like our sun eventually change the way they rotate. The theory suggested that when such stars grow old and slow down, their rotation ...