Morning Overview on MSN

Scientists catch a galaxy cluster mid-merge in new observations

Two massive galaxy clusters are slamming into each other, and for once astronomers are not reconstructing the crash from the ...
Morning Overview on MSN

2 neutron stars may have triggered the 1st known superkilonova

The cosmos has delivered a rare kind of fireworks display, and astronomers are racing to understand what it means. A strange double flash from a distant galaxy appears to show two neutron stars ...