Life
- Life
Mouse cells grown in rats cure diabetes in mice
Mixing cells of two species produces pig and cattle embryos with some human cells.
- Animals
Endings make way for new beginnings for Earth and SN
Editor in chief Eva Emerson discusses major changes for life on Earth and at Science News.
- Animals
Readers weigh in on mathematical animals and more
Animal math, dinosaur digestion and more in reader feedback from our December 10, 2017, issue.
- Paleontology
With dinosaurs out of the way, mammals had a chance to thrive
The animals that lived through the great extinction event had a range of survival strategies to get them through.
- Earth
Devastation detectives try to solve dinosaur disappearance
Dinosaurs and others faced massive losses 66 million years ago from an asteroid impact, volcanic eruptions or maybe a mix of the two.
- Life
Some lucky birds escaped dino doomsday
Dino doomsday took out early birds too, but a lucky few survived.
- Paleontology
Bony head ornaments signal some supersized dinosaurs
Bony headwear, like bumps and horns, is tied to bigger bodies in the theropod dinosaur family tree.
- Paleontology
Ancient otter of unusual size unearthed in China
Fossils unearthed in China reveal a newly discovered, now-extinct species of otter that lived some 6.2 million years ago.
- Paleontology
Ancient giant otter unearthed in China
Fossils unearthed in China reveal a newly discovered, now-extinct species of otter that lived some 6.2 million years ago.
- Life
Asteroid barrage, ancient marine life boom not linked
Impacts from asteroid debris probably didn’t trigger the boom in marine animal diversity around 471 million years ago during the Great Ordovician Biodiversification Event.
- Paleontology
Baby dinosaurs took three to six months to hatch
Growth lines on teeth indicate a surprisingly long incubation period.
- Life
What a mosquito’s immune system can tell us about fighting malaria
Immune system messengers carried in microscopic sacs help mosquitoes fend off malaria, new research suggests.
