Short-wavelength blue and violet are scattered more than other colours ... but pollution particles can cause a deep red sunset. The Chilean city of Santiago (at the top of this page) offers a great ...

These images show the spacecraft taking on a deep red hue as the sunlight is refracted through the Earth’s atmosphere, resulting in a shadow cast on the lunar surface. “Firefly’s Blue Ghost lunar ...

Firefly’s Blue Ghost Mission 1 set a new benchmark for commercial lunar exploration, lasting longer than any previous private ...