The USGS noted the event was a "widely felt sonic boom from a suspected bolide," referring to a meteor that explodes in the ...

Decades of once‑secret US military reports, videos and witness accounts reveal strange glowing objects in the sky that officials have logged but still struggle to explain.

Telescopes around the world swiveled to focus on the explosion, soon picking up infrared radiation, which is produced after gamma rays in this kind of event. Berger was ready to view the visible light ...