Nov 20 - By Malcolm Ritter, AP Science Writer
Scientists have created the equivalent of embryonic stem cells from ordinary skin cells, a breakthrough that could someday produce new treatments for disease without the explosive moral questions of embyro cloning.
Nov 20 - By Marcia Dunn, AP Aerospace Writer
Two spacewalking astronauts wired up the international space station's newest room Tuesday and, to NASA's delight, kept the next shuttle visit on track for early December.
Nov 19 - By Felicia Fonseca, AP Writer
Los Alamos National Laboratory, one of the nation's premier nuclear weapons labs, is preparing to lay off hundreds of people in anticipation of federal budget cuts, a lab spokesman said Monday.
Nov 19 - By Associated Press
Ammunition for firearms and a tool for scraping buffalo hides are among artifacts found by an archaeologist and a graduate student at the scene of a major wildfire near Seeley Lake, northeast of here.
Nov 17 - By Arthur Max, AP Writer
Global warming is "unequivocal" and carbon dioxide already in the atmosphere commits the world to an eventual rise in sea levels of up to 4.6 feet, the world's top climate experts warned Saturday in their most authoritative report to date.
Nov 17 - By The Associated Press, AP Writer
The following are some key findings in a report issued Saturday by the United Nations Intergovernmental Panel on Climate Change:
Nov 17 - By Associated Press
The Scottish scientist who created Dolly the sheep more than a decade ago said he is abandoning the cloning technique that he pioneered, according to an interview published Saturday.
Nov 17 - By Arthur Max, AP Writer
The Earth is hurtling toward a warmer climate at a quickening pace, a Nobel-winning U.N. scientific panel said in a landmark report released Saturday, warning of inevitable human suffering and the threat of extinction for some species.
Nov 17 - By David Briscoe, AP Writer
The federal government is considering listing loggerhead sea turtles that live along California's coast and off Hawaii as an endangered species and further protecting their habitat.
Nov 16 - By Rachel Konrad, AP Writer
Formerly conjoined twins have "excellent" chances of survival after a grueling separation surgery, and one of the toddlers is even breathing on her own, doctors said Friday.
Nov 16 - By Seth Borenstein, AP Science Writer
If you haven't seen the mysteriously large comet prominent in the sky in recent weeks, better look soon, astronomers say. The erupting body and its expanding cosmic dust cloud will soon be overshadowed by a commonplace full moon.
Nov 16 - By Associated Press
An 18-foot minke whale ran aground on a sandbar in the Amazon jungle some 1,000 miles from the ocean, Brazilian media reported Friday. Globo television broadcast images of dozens of people gathered along the Tapajos River splashing water on the animal, whose back and dorsal fin were exposed to the hot Amazon sun. Sea creatures rarely venture so far into fresh water.
Nov 16 - By Randolph E. Schmid, AP Writer
Tiny robots programmed to act like roaches were able to blend into cockroach society, according to researchers studying the collective behavior of insects. Cockroaches tend to self-organize into leaderless groups, seeming to reach consensus on where to rest together.
Nov 16 - By Associated Press
Delegates from more than 140 countries agreed Friday on a scientific "instant guide" for policy makers, stating more forcefully than ever that climate change has begun and threatens to irreversibly alter the planet.
Nov 15 - By Joe McDonald, AP Writer
The United States and China are working on a pact to promote use of ethanol and other biofuels to reduce greenhouse gas emissions and could announce an agreement as early as next month, an American official said Friday.
Nov 15 - By Doug Mellgren, AP Writer
Refrigeration units on Friday begin cooling a new doomsday vault dug into an already frigid Arctic mountainside to protect the world's seeds in case of a global catastrophe.
Nov 15 - By Associated Press
Archeologists have unearthed a Roman-era cemetery dating from the 3rd century A.D. in northeast Syria, one of several recent archaeological discoveries in the history-rich country, a government newspaper reported Thursday.