Kronenberg Foundation
A computer-generated image of what astronomer Nicolaus Copernicus may have looked like on the basis of his skull.
WARSAW, Poland -- Researchers yesterday said they have identified the remains of Nicolaus Copernicus by comparing DNA from a skeleton and hair retrieved from one of the 16th-century astronomer's (Yesterday)
C.M. Guerrero/El Nuevo Herald via AP
D'Zhana Simmons sheds a tear of joy at a news conference in Miami on Wednesday. D'Zhana was kept alive for 118 days with a custom-made total artificial heart while awaiting a second transplant at Holtz Children Hospital on the University of Miami Memorial Medical Center.
MIAMI -- D'Zhana Simmons says she felt like a "fake person" for 118 days when she had no heart beating in her chest. (Yesterday)
Associated Press/ExhibitEase LLC, Steven W. Marcus
This artist's rendering, provided by the Mammoth Genome Project, Penn State University, portrays the unraveling of the genetic code of an extinct animal, the Ice Age's woolly mammoth -- here encased in ice.
Two Penn State University professors have mapped much of the genetic code of the woolly mammoth, a possible first step toward re-creating the extinct beast in the next 10 to 20 years. (11/20/2008)
CAPE CANAVERAL, Fla. -- A spacewalking astronaut accidentally let go of her tool bag yesterday after a grease gun inside it exploded, and helplessly watched as the tote and everything inside floated away. (11/19/2008)
You may have noticed that there are fewer bright stars and distinctive constellations in the autumn sky, and that the Big Dipper appears to be missing from the northern (11/17/2008)