In 2025, around 120 SpaceX Starlink satellites re-entered Earth’s atmosphere and burnt up upon descent. These artificial meteor showers, visible across the globe, have raised concerns about their ...

Operators follow a 25-year rule: at this point, a satellite’s mission is deemed to have ended and it is lowered into the ...

Earth is made out of different layers, and those layers get hotter and more pressurized the deeper you go. The first layer is the crust, a thin outer shell that extends about 18 miles (30 km ...

Deep inside the mantle (the layer between Earth's iron core and its silica ... are similar to each other in nature, e.g. chemical composition and age, because seismic waves travel through them ...

How is organic matter transported from productive coastal areas to the open ocean? Researchers have now shown that eddies play a crucial role in this process. The swirling currents contain large ...