A burst of radiation released by an exploding star nearly 2 billion light-years away produced a measurable electrical disturbance in Earth’s upper atmosphere, providing evidence that an extreme cosmic ...

A fresh eruption from Sunspot 4549 has sent a Moreton wave and a coronal mass ejection into space. Forecasters say the ...

A declassified Cold War-era US spy satellite, USA 32, has exploded 480 miles above Earth without warning, creating an ...

A debris field comprised of a Starlink satellite's remains is floating through space, after a minor explosion broke off pieces of the tech and sent them tumbling around Earth's or ...

Learn more about what caused the decades-old spy satellite to break apart and why its debris could pose a threat to other ...