Seen as a long strand with smaller threads branching, the Quipu superstructure contains 68 galaxy clusters spanning 1.4 ...

Starlink satellites are easier to see a day or two after their launch and deployment then become progressively harder to spot as they climb to their final orbital height of around 342 miles (550 km).

Export of other industrial materials such as gallium nitride, gallium oxide and zone-refined germanium ingot have also been prohibited. Exporters would now be required to apply for export licenses in ...