Scientists are working to understand the curious phenomena of red sprites, green ghosts and blue jets high above ...

The telescope has the largest digital camera ever made. It’s so precise that one image alone contains 10 million galaxies.

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Dangerous heat and severe weather will be possible on Monday. Timing on severe weather chance and how hot temperatures will get here.

A sheet-like laser beam is observed from electron-bombarded CdS and ZnO single crystals. The far-field pattern extends 360° in azimuth and 5 to 10° perpendicular to this plane. The emission is in a ...