SpaceExotic fifth state of matter made on the International Space Station An instrument on board the International Space Station contains one of the coldest places in the universe, and researchers have used it to create a cloud of frozen atoms News
PhysicsThe surprising benefits of contemplating the death of the universeCosmologist Katie Mack spends her days pondering the end of everything. Whether the cosmos dies a slow heat death or winks out of existence tomorrow, she finds it helps put everyday troubles in perspectiveFeatures