Artificial-intelligence tools are starting to allow nonexperts to search for patterns across the globe ...

When the first artificial satellite, Sputnik, was put into orbit around Earth, anyone in the path of the satellite could receive the beeps transmitted by the satellite provided they had some ...

The Soviet Union's October 1957 launch of the world's first artificial satellite, Sputnik 1, stunned the U.S., which reckoned it had a commanding lead in "the Space Race." ...

Fejer 1 and Scott 2 have given simple methods for estimating the remaining life-time of an artificial Earth satellite. Their methods do not apply when the eccentricity is small, and it is not ...

Summer-a time when the urge to explore places familiar and new beckons to young and old alike. Although the sun sets late during the summer months, we inevitably find ourselves outside looking at ...