Nasa feels that the sonic boom is still the biggest challenge in getting supersonic passenger flights up and running again. Although it overlaps with the XB-1, Nasa's own bizarre entrant into the ...

opening the door to a new generation of civil supersonic aircraft. In fact, the first phase of these tests have already started. Earlier this month, NASA started performing simulated “sonic ...

Sonic the Hedgehog 2 introduced the Chaos Emeralds to the live-action movie series, and here's everything we know ahead of ...