New Prospects for Growing Human Replacement Organs in Animals
By NICHOLAS WADE Human stem cells could be implanted in an early pig embryo, making a chimera with […]
Science
Doomsday Clock Moves Closer to Midnight, Signaling Concern Among Scientists
By JONAH ENGEL BROMWICH The clock run by a group of scientists now stands at two and a […]
Cassinis Grand Finale Tour at Saturn
Cassini is being prepared to dive into Saturn. The robotic spacecraft that has been orbiting and exploring Saturn […]
6 Million Years Ago, Otters the Size of Wolves Roamed ...
By NICHOLAS ST. FLEUR Fossils of the extinct relative of modern-day otters suggest that it was six feet […]
Better Weather Forecasts, and These Pretty Pictures, Too
By NICHOLAS ST. FLEUR NOAA released the first batch of images taken by its GOES-16 satellite, which it […]
North America’s Geographical Center May Be in a North Dakota ...
By STEPH YIN A geography professor unearthed the surprising result when he weighed in on a feud between […]
M78 and Orion Dust Reflections
In the vast Orion Molecular Cloud complex, several bright blue nebulas are particularly apparent. Pictured here are two […]
For 5 Contest Finalists, a $20 Million Dash to the ...
By KENNETH CHANG The Google Lunar X Prize, announced in 2007 to spur private ventures to the moon, […]
Gene-Modified Ants Shed Light on How Societies Are Organized
By NATALIE ANGIER Daniel Kronauer’s transgenic ants offer scientists the chance to explore the evolution of animal societies […]
A Scientific Lens on Copper
By C. CLAIBORNE RAY Copper bracelets and other folk remedies, like magnetic straps, were no more effective against […]