“We can fly to Mars.” That was the first thing Valeri Polyakov said on March 22, 1995, after returning from a 437-day 18-hour stay aboard the Russian space station Mir. During those fourteen and a half months, he orbited the Earth 7,075 times and traveled nearly 187 million miles. After twenty years, it remains the …

The rumble of a rocket engine and then a distant sonic boom break the breezy silence of a remote desert plain. Another unmanned commercial rocket has been launched from Spaceport America. Soon, perhaps in a few months, Virgin Galactic will begin space tourism flights with a futuristic spacecraft air launched from a mothership using Spaceport …

Gasps, whistles, and cheers burst from 300 observers as the SpaceLoft 7 rocket blasted into the sky from Spaceport America in southern New Mexico. Among the crowd were 60 students, ranging from middle school through university level, who watched the rocket carry experiments they had designed and built. “That feeling of seeing something you built …