NASA has outlined how it will respond to President Donald Trump’s order that federal agencies eliminate “waste, bloat, and insularity” — but it’s not yet clear just how sweeping the chan ...

They’ll also study the STEVE (Strong Thermal Emission Velocity Enhancement), an atmospheric optical phenomenon that appears as a purple and green light ribbon in the night sky, and which is ...

Millions of Facebook and Instagram users faced a widespread outage on Tuesday, with many reporting issues accessing the platforms, logging in, and viewing or posting content. The disruption, which ...