Researchers discover collisionless shock waves as cosmic engines accelerating subatomic particles in space to extreme speeds.

The high-energy flare was spotted on May 27 ... Yet, a star of 12 solar masses should explode as a supernova after just 20 million years. So, given the huge difference in lifespans, how can ...

The radiation might then be likened to radio bursts from a solar flare occurring over the entire star during each cycle of the oscillation. Such a model would be in fair agreement with the upper ...

Credit: Chinese Academy of Sciences The Einstein Probe, using its innovative lobster-eye X-ray telescope, has captured an ultra-rare celestial event — a bright X-ray flare from a system ... white ...

Over the course of several days, the research team analyzing EP J0052 identified key elements in the material ejected when the flare was produced ... the mass of the Sun and the other at around eight ...

We know that regular supernovas pose no existential threat to life on Earth in the near-term. But there are other varieties ...

The sun ended the weekend with a bang as a sunspot rotating out of our view erupted with a powerful solar flare on Sunday afternoon. At 2:27 p.m. EST (1927 GMT) on Sunday, (Feb. 24), a X2.0 solar ...

The strong “X2.0-class” flare erupted from the Sun at about 7.30 pm GMT from a sunspot rotating out of view from the Earth, the agency said. Solar flares are ranked on a four-class scale ...