The greater the cosmic-ray energy, the greater its interaction cross-section, meaning it is more likely to interact with CMB ...

The Southwest Research Institute-led Ultraviolet Spectrograph (UVS) aboard NASA's Europa Clipper spacecraft has successfully ...

A puzzling discovery in NGC 1068 shows a flood of neutrinos but weak gamma rays. Scientists now suspect helium atoms ...

The nation's aviation infrastructure is again under scrutiny, following a series of paralyzing communications and radar ...