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A runaway dead star zooming through space at breakneck speeds has left behind a huge trail of matter and antimatter particles. The star is a pulsar called PSR J2030+4415 or J2030 for short; it’s around 20 kilometers (12 miles) in diameter, and it’s speeding through space at a breakneck velocity of around 450 kilometers per … Read more
A troubled €300 million nuclear physics research facility in Romania may now have to do without one of its main components, a gamma ray beam designed to probe the heart of atoms. That’s because the U.S. company contracted to supply the gamma ray source may be on the verge of bankruptcy, according to sources familiar … Read more
Scientists are on a mission to create a global network of atomic clocks that will enable us to, among other things, better understand the fundamental laws of physics, investigate dark matter, and navigate across Earth and space more precisely. However, to be at their most effective, these clocks will need to be reliably and … Read more
As a 16-year-old boy, Albert Einstein imagined chasing after a beam of light in the vacuum of space. He mused on that vision for years, turning it over in his mind, asking questions about the relation between himself and the beam. Those mental investigations eventually led him to his special theory of relativity. Such thought … Read more