China's Tianwen-2 spacecraft is scheduled to launch this week and will study two solar system bodies up close.

"Meghan was a fan of us right from the beginning," Sophie Lis tells Page Six Style, adding that "there was no gifting." ...

With an atmosphere, by mass, of primarily hydrogen (76 per cent) and helium (24 per cent), and by volume of 89 per cent ...

The origin of lithium (Li), the third element of the periodic table, has long been shrouded in mystery. This element, ...