A previously-undetected flood over Greenland's ice sheet has confounded model predictions about how the region's meltwater ...

Caption: In this PUNCH mission video still from late May to early June 2025, coronal mass ejections stream away from the Sun in all directions. The Sun is marked by a yellow dot at center, with ...

The Air Force is using money previously given to its Sentinel intercontinental ballistic missile program to convert a Qatari luxury jet into an Air Force One. “There were dollars that were ...