Earth was once purple, not green! Early microbes used retinal, not chlorophyll, for photosynthesis, reflecting violet hues. This ancient color shift hints at alien life.

The ghost of George Washington Carver hangs over the studio of Amanda Williams, where hues are inspired by the Alabama soil ...

This idea, known as the Purple Earth hypothesis, suggests that single-celled organisms depended ... This molecule absorbs light, mostly from the blue and red spectrum, while reflecting green, which is ...

To celebrate the beginning of the 2025 EPCOT International Flower & Garden Festival, Disney has released multiple new ...

Find Green And Blue Technology Background stock video, 4K footage, and other HD footage from iStock. Get higher quality Green And Blue Technology Background content, for less—All of our 4K video clips ...

Some scientists propose that Earth was once covered in shades of purple instead of green. The idea suggests early life forms used a different molecule for photosynthesis than today’s chlorophyll.

Laser lighting display. Neon blue green glare motion. Telecomunication satellite sending signal to Earth. Flying over large city Close up on telecomunication satellite. NASA pictures in background ...

We usually see deep shades like this in the fall, but Robinson says the shift to earth tones for spring includes this ...

Then on Thursday, the lander, named Blue Ghost, fired its engines for four minutes to propel the spacecraft beyond Earth’s orbit toward the moon. The engine burn was the most challenging the ...

Before ditching Earth completely, Firefly’s Blue Ghost captured gorgeous parting shots to commemorate the beginning of its journey. Blue Ghost captured this image of Earth with the Moon below in ...

The resulting images were among the winning entries in this year's Global Ability Photography Challenge, organized by ...

Her research-based paintings close the gap between subject matter and material by depicting natural phenomena via the elements that comprise them.