Opportunity's last photo is a bittersweet travel log of Mars
March 15, 2019, 11:58 a.m. by Noel Kirkpatrick
NASA's Opportunity rover took one last panorama before it shut down, and it's stunning.
Robots hunt starfish, lionfish to save coral reefs
March 15, 2019, 11:19 a.m. by Bryan Nelson
These invasive species are wreaking havoc on reefs and the fish that live amongst the coral.
5 slimy facts that will change how you look at banana slugs forever
March 15, 2019, 10:10 a.m. by Jaymi Heimbuch
Far from being gross, their slime is a marvel of nature.
March can be beautiful, but why is the weather so weird?
March 14, 2019, 11:59 a.m. by Noel Kirkpatrick
March madness applies to more than just basketball. The weather during this month can also be weird.
Meet the millipede that uses cyanide as self-defense
March 14, 2019, 9:08 a.m. by Jaymi Heimbuch
These poison-filled arthropods are surprisingly essential to the health of conifer forests in the Northwest.
Cells from a 28,000-year-old woolly mammoth have been 'revived'
March 13, 2019, 8:46 p.m. by Bryan Nelson
Breakthrough is a significant step toward bringing these extinct beasts back to life.
Painted lady butterflies fill the skies over southern California
March 13, 2019, 3:11 p.m. by Noel Kirkpatrick
Painted lady butterflies are migrating north for the summer, and they're overtaking southern California, to the delight of many.
A fight between leopards comes to an end when they fall into a 50-foot well
March 13, 2019, 1:32 p.m. by Christian Cotroneo
To survive, they put aside their differences.
'Super mom' spotted on a Minnesota lake — with 56 ducklings in tow
Hidden camera reveals true identity of 'ghost' in U.K. man's tool shed
9 of the world's largest dog breeds
19 bizarre and beautiful starfish species
Samurai wasps could be our secret weapon against invasive stink bugs
Geologists baffled by remote island that's covered in mysterious rocks