The most powerful cosmic-ray electrons and positrons ever detected slamming into Earth's atmosphere carry energies so high they can only have come from relatively close by, new research has revealed.

Scientists may have finally uncovered the mystery behind ultra-high-energy cosmic rays — the most powerful particles known in ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

The windy and chaotic remains surrounding recently exploded stars may be launching the fastest particles in the universe. Highly magnetic neutron stars known as pulsars whip up a fast and strong ...

Earth's magnetic field dramatically flipped a little more than 40,000 years ago. We can now experience this epic upheaval, thanks to a clever interpretation of information collected by the European ...

Imagine standing in the heart of Copenhagen, surrounded by an orchestra of 30 speakers buried in the ground. However, instead of Mozart or Beethoven, you’re about to hear something far more primordial ...

This illustration shows how waves and particles interact -- wave amplitude is growing while particle drift speed is dropping due to scattering. CREDIT A. Marcowith, A.J. van Marle, and I. Plotnikov ...