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.
Why the extinction of nearly 600 plant species in 250 years is a big deal
June 11, 2019, 11:04 a.m. by Mary Jo DiLonardo
Researchers say the real number is likely much higher.
More ghost forests are rising up, and that's not good news
June 11, 2019, 8:18 a.m. by Angela Nelson
Plus, 5 places in the U.S. where you can visit a ghost forest.