Four New Ozone-Killing Gases Detected: Scientists Look for Source
OSLO, Norway - Scientists have detected four new industrial gases that damage Earth''s protective ozone layer, despite bans on almost all production of similar gases under a 1987 treaty.
NASA Takes You Through a Real-Life ''Cosmos''
Feast your eyes on astronomical images from NASA that inspired (and are inspired by) the "Cosmos" TV series.
Obama Launches ''Cosmos'': ''The Next Great Discovery Could Be Yours''
More than three decades after "Cosmos" first came to television, President Barack Obama kicked off the 21st-century version of the science show with a tribute to astronomer Carl Sagan and his successors.
NASA Probe Discovers Thousands of Stars, But No ''Planet X''
A NASA spacecraft has pounded another nail into the coffin of the hypothetical solar system body called "Planet X" or "Nemesis.
Scientists Suggest Dark Matter Played Role in Dinosaurs'' Doom
The conventional wisdom is that a cosmic impact caused the extinction of the dinosaurs 65 million years ago - but now two scientists are adding an unconventional twist to the theory: Maybe, they say, dark matter helped.
Spring Forward: Daylight Saving Time Affects Most Americans
Most Americans will lose an hour of sleep on Sunday, due to the start of daylight saving time. They''ll also temporarily fall out of sync with much of the rest of the world. Why? For the sake of saving energy.
Frozen Falls: Ice Cascades Down Ocean Cliffs
Like a frozen waterfall, a wall of ice more than 40 feet high stretches down to the high-tide line on Otter Cliffs overlooking the Atlantic Ocean, in this time-exposure photo made Thursday at Acadia National Park in Maine.
After Three Decades, New ''Cosmos'' Series Brings TV Science Full Circle
After 34 years, astronomer Carl Sagan''s voice once again introduces a TV series of "Cosmos" proportions: "The cosmos is all that is, or ever was, or ever will be ... Come with me.
Twin Astronauts Are Ready for a Practice Mars Mission
Identical twin astronauts Scott and Mark Kelly are participating in a NASA study that could help pave the way for long-term Mars missions.
Ancient Egyptian Soldier''s Letter Home DecipheredStories 1 - 10 of 2538
A newly deciphered letter home dating back around 1,800 years reveals the pleas of a young Egyptian soldier named Aurelius Polion who was serving, probably as a volunteer, in a Roman legion in Europe.