New research suggests Earth was once a purple planet. Early microbes used retinal, not chlorophyll, for photosynthesis.

A blood moon is coming. The entirety of the lower 48 states, the greater Americas, and some regions beyond will witness — ...

The Detroit Red Wings might not be in the driver's seat of the wild-card race without their new coach making big lineup decisions with their youngsters.

The next lunar eclipse is coming soon across North America, and scientists say it will be special one known as the Blood Moon. The upcoming lunar eclipse will also be the first total eclipse of the ...

There's a variety of astronomical events in 2025 well worth planning a trip around this year—whether that means driving to ...