Recently we learned about the exoplanet Kepler-186f, a potentially earthlike, potentially habitable world only around 500 lightyears away. But when I mentioned that here plants would grow red instead ...

The fundamental question of why Mars is red has been considered for hundreds if not for thousands of years,” Adam Valantinas, ...

Martian dust is mostly rust. Mars’s famed color has captivated humankind for centuries, earning its nickname of the ‘Red ...

Mars’s signature red hue may not be due to hematite, as previously believed, but rather to ferrihydrite — an iron oxide that requires water to form. Using a combination of spacecraft data and ...

Although the Earth’s been decidedly blue for 600 million years, rising populations of phytoplankton caused by rising ...

Earth's oceans may have been green for billions of years until the first photosynthetic organisms flooded our atmosphere with oxygen.

Mars is famous for its red hue, which comes from rusted iron minerals in its dust. These minerals are formed when iron reacts with water or oxygen, just like rust on Earth.

Steve's latest project is "The New Red Green Show" which he stars in, produces and co-writes with ex-Frantic Rick Green. Steve has done 72 episodes to date which are currently being run coast to ...