'Flash in the night sky' turns out to be sign of lost Chinese satellite

Chinese satellite declared lost following back-to-back launches Monday

Sunlight filtering through Venus' clouds could support Earth-like photosynthesis in the cloud layers. In a fascinating twist, the researchers found that photosynthesis may continue through the night due to thermal or infrared energy originating from the surface and the atmosphere.

Superbright aurora lights up Earth’s night side in incredible image from space