Fast changes between the solar seasons resolved by new sun clock

Radioactive elements in the early solar system. An international team of scientists have found new clues about the development of our solar system, after examining radioactive elements in another star-forming region of the galaxy.

Swiss researchers calculate pi to new record of 62.8tn figures. Supercomputer calculation took 108 days and nine hours – 3.5 times as fast as previous record.

Multiple supernovas may have implanted our solar system with the seeds of planets