Physical sciences/Physics/Energy/Radiation/Electromagnetic radiation/Light/Light beams/Light beam properties/Brightness | American Association for the Advancement of Science (AAAS)

Weird & Wonderful Creatures: Amazon River Dolphins

This toothed whale lives in northern and central South America and often turns pink as it gets older!

The quest to bring light to the world

Sara Seager's search for Earth-like planets

<I>Science</I>: 'Superluminous' Supernova Brightened by Galactic Lens