All Science
Are the Colorado wildfires the biggest in US history?The Waldo Canyon Fire has been declared the worst in Colorado state history, but it is small compared to the fires in the 19th century that scorched millions of acres.
New Mayan text confirms December 2012 end for calendarResearchers say that a newly discovered Mayan text confirms that December 21, 2012 was an important date for the classic Mesoamerican civilization. But they find no mention of any kind of doomsday.
US heat wave: Three-digit temperatures recorded across MidwestUS heat wave: Record-breaking temperatures have closed schools and sent people seeking refuge ... at the zoo
World's oldest meteor impact crater discovered in GreenlandScientists say they found the oldest meteor impact crater yet discovered, caused by a rock that, if it hit Earth today, would wipe out all higher life.
Earth's slowing rotation prompts Saturday's 'leap second'This Saturday will be the 25th time since 1972 that we add one second to our clocks to synch them with the Earth's rotation.
With a rough landing, Chinese astronauts return safely to EarthFollowing a successful manned docking with a prototype space station, China's historic two-week orbital mission ended with a bumpy landing and three grinning astronauts.
World's most powerful rocket launches secret US satelliteThe second classified mission for the National Reconnaissance Office to launch in nine days blasted off with the most powerful liquid hydrogen rocket engines ever built. The spy agency plans a third launch in August.
Thanks to science, your weekend will be one second longerAs the Earth's rotation slows ever so slightly, from time to time we have to add a 'leap second' to the calendar to let our planet catch up with our clocks.
Sentinel astroid-hunting private telescope could find half a million space rocksThat may sound ambitious, especially since only about 10,000 such asteroids have been catalogued to date.
China's first female astronaut returns to EarthChina's first female astronaut and two other crew members completed a 13-day mission Friday to an orbiting prototype for a future Chinese space station.
A tomato by any other gene: Just as sweet?New research shows that the bland flavor of a popular variety of firm tomatoes is caused by a genetic switch. Locating this switch may enable scientists to create good-tasting and good-shipping tomatoes in the future.
Does Saturn's moon hide underground oceans?Observations of how Titan warps as it orbits Saturn provides strong evidence for a liquid ocean buried under the surface of the gas giant's largest moon.
World's oldest known pottery discovered in ChinaA team of Chinese and American experts have determined that pottery found in a Chinese cave is some 20,000 years old.
Tomato's taste: the secret is in its genomeTomato genetics is the key to improved taste, say researchers who recently published the fruit's full genome.
Life on Saturn moon? Discovery of hidden ocean on Titan tantalizes.Scientists already knew Titan has the building blocks for organic life in abundance. Now, the discovery of a underground sea with liquid water adds another intriguing element.
Researchers develop spray-on batteriesA team of researchers from Rice University has found a way to power almost any object by spraying with a paint that has been formulated to function as a battery.
Are Colorado's wildfires caused by global warming?The wildfires devastating Colorado have been linked to a streak of unusually hot weather, but they that does not necessarily mean that global warming is the culprit.
Astronomers spot planet with boiling atmosphereA planet roughly the size of Jupiter is spewing a huge plume of gas, an eruption caused by activity on its parent star.
Why is the sun's atmosphere hotter than its surface? Maybe it's those huge plasma tornadoes.Scientists may have an answer to one of the sun's greatest mysteries: Why is the sun's atmosphere some 300 times hotter than its surface?
More than one third of Americans believe aliens have visited EarthTo the question of whether they believe aliens have visited Earth, 36 percent of Americans who were surveyed said they do, 48 percent aren't sure, and 17 percent said they don't believe so.
