...or shrinking. "Very simply, we do not know," said Jay Zwally, the mission's project scientist at NASA's Goddard Space Flight Center in Greenbelt, MD. "Not only do we not know what is happening today, we don't know what is going to...

...correspond for the Sahel, Senegal and parts of Brazil, said Yogesh Sud, senior research meteorologist at NASA's Goddard Space Flight Center in Greenbelt, Md. "But in India and Australia, there is absolutely no match" between recorded rainfall...

...Alfred S. McEwen of the University of Arizona's Lunar and Planetary Laboratory, and Susan Sakimoto of NASA's Goddard Space Flight Center. They argue that the lava areas known as the Cerberus Plains should be considered "important targets in...

...off-guard. "The fact that it's real big right now is kind of a surprise," said Dr. Paul A. Newman of NASA's Goddard Space Flight Center in Greenbelt, Md. The center detected an ozone hole of about 11 million square miles on Sept. 3. That...

...must have formed when the nebula was already mature and pumping out the gas. Joseph Nuth and colleagues at NASA's Goddard Space Flight Center in Greenbelt, Md., suggest that comparing concentrations of primitive and processed gases in a comet...

LAND'S END, England -- At 11:10 a.m. Wednesday, the small island of Bryher in the Scilly Isles off southwestern England will go dark as the moon slides across the sun.\r

...there are these variations and how they affect the atmosphere," said James Foster, a climatologist at NASA's Goddard Space Flight Center in Greenbelt, Md. NASA scientists came to the Beltsville researchers last year looking for help designing...

...in a hurricane approaching the U.S. East Coast," said TRMM project scientist Christian Kummerow of NASA's Goddard Space Flight Center in Greenbelt, Md. Many scientists believe that the vast amounts of warm, moist air carried aloft in such...

...expected them to be," said Francis Vanderbussche, an ESA engineer who heads the SOHO recovery team at NASA's Goddard Space Flight Center. The temperature of SOHO's rocket thruster fuel tanks was about 32 degrees F, cold enough to freeze...

WASHINGTON - Like a message from outer space, it appeared mysteriously one recent morning on NASA's Web site: "Gr33t1ngs fr0m th3 m3mb3rs 0f H4G1S." The cryptic message was followed by a steaming diatribe protesting the commercialization of the Internet and the continued incarceration of a pair of computer hacker heroes. Gone were NASA's friendly welcome messages, its pictures of spaceships and its catalog of astronautical information.