The pilots of a grounded solar-powered airplane say they put too much stress on the batteries of their aircraft as they were leaving Japan for a five-day record-breaking flight to Hawaii.
Mankind's first close-up look at Pluto did not disappoint Wednesday: The pictures showed ice mountains on Pluto about as high as the Rockies and chasms on its big moon Charon that appear six times deeper than the Grand Canyon.
When a flash of light beamed from the arid New Mexico desert early on July 16, 1945, residents of the historic Hispanic village of Tularosa felt windows shake and heard dishes fall. Some in the largely Catholic town fell to their knees and prayed.
Nearly one-fifth of the raw groundwater used for public drinking water systems in California contains excessive levels of potentially toxic contaminants, according to a decade-long U.S. Geological Survey study that provides one of the first comprehensive looks at the health of California's public water supply and groundwater.
A team trying to fly a solar-powered plane around the world said Wednesday it is suspending the journey in Hawaii after the plane suffered battery damage during its record-breaking flight to the islands.
For months, protesters have held up construction of a $1.4 billion telescope atop a mountain on the Big Island of Hawaii. The state imposed emergency rules making it challenging for opponents to continue their actions, which they say are meant to prevent the desecration of land held sacred by many Native Hawaiians. Officials restricted nighttime access to Mauna Kea, threatened hefty fines against a company that provided portable toilets for protesters camping on the mountain and banned camping gear on the mountain. Here are questions and answers in the ongoing struggle to build the Thirty Meter Telescope.
NASA's New Horizons spacecraft got humanity's first up-close look at Pluto on Tuesday, sending word of its triumph across 3 billion miles to scientists waiting breathlessly back home.
Anti-abortion activists on Tuesday released an undercover video showing a senior Planned Parenthood official discussing the disposition of parts from aborted fetuses.
Rhode Island Gov. Gina Raimondo said Tuesday that investigators have ruled out unlawful or malicious activity in a mysterious blast that knocked a beachgoer out of her chair into a jetty, and said they are still looking for the cause.
Republican leaders delayed a House vote Tuesday on a bill raising money for breast cancer research over anger that some of the funds would go to a group that has worked with the Planned Parenthood Federation of America, which supports abortion rights.
The federal agency that oversees the safety of the nation's pipelines failed to follow through on congressional reforms that could have made a difference in a May break that created the largest coastal oil spill in California in 25 years, a House committee chairman said Tuesday.
In a day of both jubilation and tension, scientists anxiously waited Tuesday for NASA's New Horizons spacecraft to send word across 3 billion miles and confirm it got humanity's first up-close look at Pluto.
A new kind of subatomic particle called the pentaquark has been detected for the first time, the European Organization for Nuclear Research said Tuesday.
New research suggests it may be possible to predict which preschoolers will struggle to read -- and it has to do with how the brain deciphers speech when it's noisy.
A loud boom that knocked a Rhode Island beachgoer out of her chair is still a mystery days later, and with no evidence of an explosive device and few clues in the sand, investigators and scientists are wondering whether this was a bizarre case of nature acting up.
Republicans and Democrats in Congress voiced bipartisan displeasure Tuesday with a federal agency's progress in enacting pipeline safety improvements required as part of legislation passed into law four years ago.
The observatory where Pluto was discovered is taking full advantage of a flyby of the icy dwarf planet Tuesday with astronomy-themed face painting, an extra Pluto presentation and a live NASA stream that will tell the world whether the mission was successful.
There was too much puppy fat on about one quarter of the top dogs in Britain's biggest dog show, according to a new analysis that provides more evidence the U.K.'s obesity epidemic is widening to the country's canines.
