A herd of African elephants instinctively formed an "alert circle" to protect the younger elephants at the San Diego Zoo Safari Park as a 5.2-magnitude earthquake shook Southern California on Monday.

Also known as supermassive black holes, these cosmic monsters can be ... For context, it takes about 27,000 years to travel one light-year. Gamma-ray bursts could wipe out all life on Earth ...

However, they can also launch intense jets of charged particles, creating explosive gamma-ray bursts that release more energy in a few seconds than the sun will emit over its entire lifetime. For such ...

gamma rays, and X-rays erupting from our relatively dormant black hole at the galaxy’s center. However, scientists have recently explored several ways in which people fear we may all end. More ...

Great futuristic background for your text gamma ray burst stock videos & royalty-free footage Black hole devouring a star 3D animation. This is an artistic interpretation. Rendered in HD. Feel free to ...

The quasi-periodic eruptions of X-rays from a black hole 300 million light-years away are unlike any researchers have ever seen before.

After years of observation, researchers concluded that the sudden changes in the galaxy were likely caused by its black hole ...

"This pushes our models to their limits and challenges our existing ideas about how these X-ray flashes are being generated." ...

Ansky, a once-dormant black hole, is now emitting powerful X-ray bursts, giving scientists a rare chance to study its ...

A mysterious black hole in a distant galaxy just woke up after decades of silence—and it’s putting on a cosmic light show! ESA’s XMM-Newton and other X-ray telescopes are capturing massive bursts of ...

This offered a unique opportunity: It became possible to monitor a feasting and erupting supermassive black hole in real time. "The bursts of X-rays from Ansky are ten times longer and ten times ...