All Stories
- Paleontology
Early birds could achieve liftoff
Early birds and other flying dinosaurs had the strong legs and wing speed needed to launch into the air directly from the ground, researchers argue.
By Meghan Rosen - Life
How to make a fish face, and other photo contest winners
The tiny face of a 4-day-old zebrafish embryo snags the top spot in microscopy photography contest.
- Planetary Science
Mars lander debris spotted
The Mars Reconnaissance Orbiter imaged the impact site of the Schiaparelli Mars lander, missing in action since its October 19 descent.
- Genetics
Ancient hookups gave chimps a smidge of bonobo DNA
Genetic evidence suggests bonobos and chimpanzees interbred after becoming separate species.
- Life
Scientists need to redraw picture of cell’s biggest organelle
A close-up view of the cell’s endoplasmic reticulum reveals a different structure.
- Climate
Climate change shifts how long ants hang on to coveted real estate
Simulated climate warming reveals a new pattern in turnover of ant nests.
By Susan Milius - Genetics
HIV came to NYC at least a decade before virus ID’d
DNA analysis of early viral strains tracks U.S. debut to early ’70s
- Quantum Physics
‘Time crystal’ created in lab
A chain of ions creates a crystal that repeats in time instead of in space.
- Health & Medicine
Training for parents may lessen some autism symptoms in kids
Training parents may help with some autism symptoms, a new study suggests.
- Animals
With climate change, grizzly bears may hibernate less
New research shows that food availability and weather are driving when grizzly bears enter and exit their dens for hibernation.
- Climate
Wanted: New ways to chill air conditioners, fridges
A new amendment to the Montreal Protocol will phase out potent greenhouse gases currently used in air conditioners and refrigerators, prompting a hunt for eco-friendly alternatives.
- Planetary Science
Two unseen moons may circle Uranus
Two more moons might be lurking around Uranus, causing material in the planet’s rings to clump up, Voyager 2 data suggest.