AP - Sixty-five world leaders have said they will attend the Copenhagen climate summit in December, and several more have responded positively to invitations, Danish officials said Sunday.

AP - Astronaut Randolph Bresnik is a new dad again, after launching into space and taking a spacewalk, all for the first time.

AP - An auction house says it is selling a rare first edition of Charles Darwin's "On the Origin of Species" found in a family's guest lavatory in southern England.

LiveScience.com - The deep sea is teeming with thousands of species that have never known sunlight, explorers now say.

AP - A small amount of radiation has been detected in a reactor building at the Three Mile Island nuclear power plant in central Pennsylvania. Officials say there is no public health risk.

AFP - India's private sector energy giant Reliance Industries Limited has announced a cash bid to buy a controlling stake in bankrupt petrochemicals firm LyondellBasell Industries.

AP - Russian spaceship designer Konstantin Feoktistov, the only non-Communist space traveler in the history of the Soviet space program, has died at the age of 83.

AP - The University of Nebraska's governing board on Friday voted not to place tighter restrictions on embryonic stem cell research than those outlined under federal guidelines, which were expanded after President Barack Obama took office.

AP - Scientists are preparing the world's largest atom smasher to explore the depths of matter after successfully restarting the $10 billion machine following more than a year of repairs.

AP - Thousands of marine species eke out an existence in the ocean's pitch-black depths by feeding on the snowlike decaying matter that cascades down, and even sunken whale bones, according to a report released Sunday.

Reuters - New fossils unearthed in what is now the Sahara desert reveal a once-swampy world

Reuters - Sixty-five world leaders have confirmed they will attend next month's U.N. climate conference in Copenhagen which Danish officials hope will bring strong political commitment for a new treaty to combat global warming.

AP - A low-pressure system that has lingered in the Gulf of Mexico the past few days, bringing rain to the Gulf Coast, was expected to finally move inland into the Southeast on Sunday. This was likely to translate to widespread rain and even a few thunderstorms in the area even as the system weakens while moving toward the Southeast coast.

SPACE.com - Talk about one proud papa. Astronaut Randy Bresnik is beaming with joy at the arrival of his new baby daughter, who was born late Saturday while he circled the Earth.

HealthDay - THURSDAY, Nov. 19 (HealthDay News) -- People's genetic makeup has been shown to affect how they respond to asthma medications, but a new study finds that many people respond well to a particular combination treatment regardless of their genes.