For millennia, the way we found our way home has been using the stars. The tech we have sent towards those stars also uses the position of distant shining dots to find their orientation and not lose ...

On 10 July 2025, the Earth finished one rotation in 1.36 milliseconds short of the usual 24 hours a record in a string of remarkably brief days in recent times. For most people, a millisecond is lost ...

https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001~!199425~!0#focus ...