Here, a gloomy Sun rises over Scituate Harbor in Massachusetts.
The next wearable health metric you'll obsess over may be your brain's actual level of focus.
Caltech says its Deep Synoptic Array will be larger and 100-times faster than any radio telescope ever constructed.
The space agency is considering keeping Hubble around for longer if it can reduce the telescope's operating costs.
Astronomers only discovered Asteroid 2026 JH2 a week ago, and now it's paying us a visit.
The annual competition highlights photographers' pursuit of a perfectly dark sky.
Photo: Scott Eisen (Getty Images) 
