Sonic 4: Everything we know so far about Sonic the Hedgehog's next adventure
Sonic the Hedgehog 4 is on the way! Here's every cast announcement, release date, teaser, and theory you need to know about ...
Boom XB-1 Achieves Supersonic Flight—First Time Since Concorde In 2003
Today a civil test airliner, Boom Technology’s XB-1, broke the sound barrier for the first time in two decades.