President Trump's efforts to spruce up the Lincoln Memorial Reflecting Pool faced a snag this week, with algae turning the ...

As National Park Service crews try to clean the algae that turned the water bright green, another problem has developed: The ...

The paint began peeling off the bottom of the reflecting pool just days after renovations. Hydrogen peroxide used to treat ...

The Trump administration wanted the surface of the Lincoln Memorial Reflecting Pool to be “American flag blue.” A ...

Trump’s effort to renovate the pool on the National Mall ahead of the United States’ 250th anniversary has hit another snag.

D onald Trump has a new nemesis, with a name worthy of a supervillain: Scenedesmus.

Previous reporting has highlighted how quickly the pool turned green after reopening. Christopher Lowe, senior lecturer in ...

Some blue material at the bottom of the Lincoln Memorial Reflecting Pool is peeling off, days after the pool was painted blue ...

Blue pigment is absent in vertebrates. Learn the genetic reason why some bullfrogs appear bright blue in nature.

Q. You once wrote that blue pigment is not known to exist in any terrestrial or freshwater animals with backbones. I found a ...