HELSINKI — China has published coordinated papers outlining dual missions to the solar system’s edge, suggesting the long-studied project is nearing formal approval. A lead paper on the design and key ...

Former SpaceX engineer Jeff Thornburg has raised 50 million dollars for his startup Portal Space Systems, aiming to revive NASA's solar thermal propulsion concept and develop faster, more efficient ...

In 2026, astronauts will travel around the moon for the first time since the Apollo era, powerful new space telescopes will prepare to survey billions of galaxies, and multiple nations will launch ...

The Gateway, NASA’s upcoming lunar space station, is one step closer to reality as engineers have successfully powered on its solar electric propulsion system, a spacecraft engine designed to orbit ...

Early science fiction writers and mid-20th-century engineers envisioned solar power satellites, but economic and technical barriers stalled progress for decades. Elon Musk and Jeff Bezos have revived ...