The molds and plate were removed after three hours of curing, and the team applied silicon adhesive to bond the rigid ...

Nobody knows how electrons gain the relativistic speed required for high-energy cosmic events. A new study provides a possible explanation.

Grand cosmic events demand electrons to reach relativistic speeds. A new study explains where they get their initial energy from.

Some 350 years after a supernova, its shockwave reaches interstellar space and causes clouds of gas and dust to glow. Credit: NASA / ESA / CSA / STScI / Jacob Jencson (Caltech/IPAC) Scientists ...

Particles coming from the Sun interact with Earth’s magnetic field forming a shock wave (called bow shock – shown in red). Credits Mark Garlick/Science Photo Library via Getty Images Image 4 ...

Copyright 2025 The Associated Press. All Rights Reserved. The company said it had decided to end the program because expert fact checkers had their own biases and too ...