US Satellite image taken by the International Space Station (ISS) on August 12 shows the Hawaiian island of Maui 4 days after a wildfire broke out on the island.

The timing of human depletion of metals is controversial because it depends on many factors such as the ability to mine at great depths and recycle.

The existence of white holes, the giant cosmic structure that repels all approaching objects, is still controversial and is considered to be "ghosts" born from the mathematics of general relativity.

Despite many challenges, the technology to generate solar power in space and transmit it to Earth via microwave beams could help people break free of fossil fuels.

NASA and the US military plan to launch a nuclear-powered spacecraft into Earth orbit by the end of 2025 or early 2026.

Thailand's Tokamak-1 fusion reactor, a machine jointly developed by Thailand and China, began operating on July 25.

USA The world's largest radioactive waste smelter reached an expected operating temperature of 1,150 degrees Celsius during its second test run.

China's first space-environment simulation laboratory has begun testing, helping to test satellites and spacecraft before launch.

US Virgin Galactic company successfully performed the first commercial mission on June 29, carrying 4 passengers to sub-orbital space and back to Earth.

Sunspot AR3354, which appeared on June 26 and grows larger, will disappear on July 2, when it turns away from Earth's view.