The 75-meter-high steel structure hosting systems for testing space-based solar power, at Xidian University in Xi'an, north China. Credit: Xidian University HELSINKI — China’s Xidian University has ...

Elon Musk's SpaceX on Sunday called off the launch of Starship's 10th mission from Texas over an issue at its launch site, delaying an attempt to achieve several long-sought development milestones ...