A new study published by an international team of researchers led by Taro Matsuo, an astrophysicist at Nagoya University in ...

Purple Earth Hypothesis suggests Earth was once a purple planet. Early microbes used retinal, not chlorophyll, for ...

Fluffy strands of cosmic gas and dust illuminated by bright young stars form a beautiful cloudscape in a neighboring nebula.

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

Mars is often seen as a barren, rust-colored wasteland, but NASA’s Curiosity rover has just revealed a surprising burst of ...