Why California dumped 96 million plastic balls into a reservoir
June 28, 2019, 4:18 p.m. by Mary Jo DiLonardo
Millions of black 'shade balls' float on the surface of reservoirs, slowing evaporation.
Why hydrangeas and the Azores are inextricably linked
June 28, 2019, 8:27 a.m. by Angela Nelson
This archipelago off the coast of Portugal is home to some of the most gorgeous — and most plentiful — hydrangeas in the world.
Why is a spill that started in 2004 still leaking oil in the Gulf of Mexico?
June 27, 2019, 2:25 p.m. by Noel Kirkpatrick
The oil leak may be releasing thousands of gallons per day, but after 14 years, it is finally at least partly contained.
The Ozark chestnut, thought to be long gone, is making a comeback
June 26, 2019, 9:16 a.m. by Mary Jo DiLonardo
The legendary chestnut is slowly resurfacing thanks to a team of volunteers.
A new material that's part plastic and part rock is forming on this Portuguese island
June 25, 2019, 9:15 a.m. by Christian Cotroneo
Plastic waste is becoming permanently ingrained in the shoreline.
After 14 months without tourists, Kauai's North Shore tests the waters again
June 21, 2019, 12:57 p.m. by Russell McLendon
The Hawaiian island has reopened its northern coast to tourists, but with new restrictions meant to protect local communities and wildlife.
Seals help researchers understand strange holes in Antarctic sea ice
June 13, 2019, 8:15 a.m. by Mary Jo DiLonardo
Polynyas can act as oases for penguins, whales and seals, giving them a place to breathe.
He traveled from California to Hawaii on a paddleboard — and he didn't like what he saw
10 surprising facts about palm trees
21 reasons why forests are important
Why do oak trees produce more acorns some years but not others?
I like stacking rocks, but here's why I stopped
Why does the sky sometimes turn purple?