Common seaweed found to produce a beautiful new type of opal
April 23, 2018, 9:25 p.m. by Bryan Nelson
You've heard of oysters that make pearls, but what about seaweed that makes opals?
With these maps, you can track migratory birds in near real time
April 20, 2018, 3:39 p.m. by Tom Oder
Cornell's BirdCast site gets an upgrade that bird-watchers will love.
River stones transform into adorable palm-sized animals
April 17, 2018, 9:57 a.m. by Jacqueline Gulledge
Japanese artist Akie Nakata finds her inspiration in the rocks she stumbles upon.
Extremely rare 'star rubies' found by fishing guide could fetch millions
April 11, 2018, 5:09 p.m. by Michael d'Estries
Discovered in North Carolina in 1990, the stunning gem stones are among the rarest and largest of their kind.
Fluorescent photography elevates flowers to fantastical
April 1, 2018, 2:02 p.m. by Jacqueline Gulledge
Photographer Craig Burrows harnesses the power of UV light to show another side of beautiful flowers.
'Migrating with the Sandhill Cranes': Follow the journey
March 30, 2018, 11:43 a.m.
This MNN exclusive film follows one couple's shared love of these magnificent birds.
'Signing Day' recognizes high school seniors starting jobs, not college
17 surreal images of Hawaii's Kilauea volcano eruption
Elderly Canadian couple's last act raises questions about how we die
What's that sound? 7 wildlife calls you might hear in your backyard
One woman met a stray dog — and changed everything for a forgotten breed
Wild mushrooms: What to eat, what to avoid