News
- Paleontology
Saber-toothed salmon teeth more like tusks than fangs
Saber-toothed salmon teeth may not have been positioned like fangs at all.
By Susan Milius -
- Astronomy
Black hole burps up gobbled gas and dust
Two belches from a supermassive black hole are drifting away from another galaxy.
- Psychology
Kids grasp words as symbols before learning to read
Preschoolers grasp that written words refer to specific things before they learn to read.
By Bruce Bower - Climate
Arctic passageways let species mingle
People aren’t the only animals likely to use passages that open up as the Arctic melts.
By Susan Milius - Astronomy
‘Bones’ in Milky Way could help map galactic structure
Six newly discovered tendrils of interstellar gas might be “bones” of the Milky Way that could help researchers understand the scaffolding of our galaxy.
- Animals
Puff adders appear ‘invisible’ to noses
The snakey scent of puff adders proves difficult for even sensitive animal noses to detect.
By Susan Milius - Astronomy
New recipe found for making supermassive black hole
The universe’s first supermassive black holes may have formed directly from gas in colliding galaxies, new simulations suggest.
By Andrew Grant - Health & Medicine
Gene behavior distinguishes viral from bacterial infections
Researchers have identified signatures of viral infection, a distinction that may help doctors tell whether bacteria or a virus is causing trouble.
- Paleontology
Bubbles may have sheltered Earth’s early life
Bubbles formed on ancient shorelines offer scientists a new place to look for traces of early life.
By Meghan Rosen - Astronomy
Exoplanets need right stuff to be habitable
The elemental makeup of a star can reveal whether planets in its solar system could support sustained plate tectonics, a requirement for Earth-like life, researchers propose.
- Life
Tweaking the pattern equations
A more than 60-year-old theory about how patterns in nature form gets an update.