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Byline: Pete Spotts Volcanic eruptions on Mars could have triggered the climate conditions that allowed liquid water to flow and pool on the Red Planet early in its history, according [...]

Byline: Peter N. Spotts There's a reason the deep ocean is dubbed 'inner space.' It's a place that poses some of the challenges that astronauts and robotics operators face in [...]

Byline: Peter N. Spotts In a lab beneath the University of Arizona's football field, scientists are painstakingly polishing a glass disk nearly 28 feet across - the first of seven [...]

Byline: Peter N. Spotts The space shuttle Atlantis and its six-member crew are set for launch Friday afternoon for a 12-day mission to the International Space Station - the final [...]

Byline: Mark Guarino and Peter N. Spotts For four days, Myron Fischer has taken time to stroll the beach here on Elmer's Island - a small, fragile barrier island and [...]

Byline: Peter Spotts The next time you see videos of lava welling out from cones on the flanks of Hawaii's Kilauea volcano, think Venus - the planet, that is. The [...]

Byline: Peter Spotts The eroded remains of a prehistoric limestone cave in South Africa have yielded fossils belonging to a new species of early human ancestor, an international research team [...]

Byline: Peter N. Spotts After a virtually flawless launch Monday morning, the space shuttle Discovery and its seven-member crew are gearing up for their arrival at the International Space Station [...]

Byline: Peter Spotts The magnitude 7.2 Mexico earthquake centered in northern Baja California inflicted widespread damage in the border towns of Calexico, Calif., and Mexicali, Mexico, Easter Sunday afternoon local [...]

Byline: Peter Spotts The space shuttle Discovery and its seven-member crew launched into the predawn sky Monday at the Kennedy Space Center en route to the International Space Station. The [...]

Byline: Peter N. Spotts As flood waters recede in rain-soaked New England, March's record-smashing storms highlight the need for planners in the region to place an increased emphasis on reducing [...]

Byline: Peter N. Spotts A patch of ocean roughly the size of Texas and harboring some of the world's most pristine coral reefs has received tough new protection from the [...]

Byline: Peter N. Spotts Scientists have opened what promises to be a new window on the universe, and on the matter and energy it contains, with Tuesday's record-breaking particle collisions [...]

Byline: Peter N. Spotts If all goes well, Tuesday will mark the dawn of a new era in efforts to create and study forms of matter not seen since the [...]

Byline: Peter N. Spotts The crew of the International Space Station (ISS) may want to draw up a large 'Welcome to the Neighborhood' sign. China has announced plans to launch [...]

Byline: Peter N. Spotts A highly respected evolutionary biologist has received the 2010 Templeton Prize, an award issued each year by the John Templeton Foundation to a person 'who has [...]

Byline: Peter N .Spotts A mystery female known as X Woman may add a new chapter to the story of human ancestors leaving Africa to inhabit much of the planet. [...]

Byline: Peter N. Spotts It was not Urskan Hanifi's night. He was stopped at a border checkpoint just after midnight, crossing from Romania into Bulgaria, when guards doing a routine [...]

Byline: Peter Spotts Call it what you like - the vernal equinox, the Spring equinox, or merely Saturday - March 20 marks the first day of Spring for folks in [...]

Byline: Peter N. Spotts Astronomers have discovered a Jupiter-size planet that orbits its host star at a Mercury-like distance - a solar system that begins to look like a topsy-turvy, [...]

Byline: Peter N. Spotts Tonight's the night to prowl the manse adjusting clocks for Daylight Saving Time. The official switch takes place at 2 a.m. Sunday - though, once you [...]

Byline: Peter N. Spotts Move over global warming. Ocean acidification is getting its day in court. Nearly three years after the US Supreme Court found that carbon dioxide was a [...]

Byline: Peter N. Spotts The political fight over the science of global warming took another turn when the United Nations announced Wednesday that it was initiating an investigation into the [...]

Byline: Peter N. Spotts Pushback on President Obama's plans for NASA's human spaceflight program is moving out of testy congressional hearings and into Capitol Hill's legislative inbox. Later this week, [...]

Byline: Peter N. Spotts Scientists studying global warming in the Arctic have discovered a previously unknown source of methane working its way into the atmosphere, a source that is releasing [...]

Byline: Peter N. Spotts The Chile quake that struck Saturday and triggered a tsunami that traveled throughout the Pacific basin provided the first basin-wide test of the region's tsunami-warning network [...]

Byline: Peter N. Spotts From Australia to Alaska, coastal communities throughout the Pacific basin are bracing for tsunamis generated by a powerful earthquake that struck the central Chilean Coast just [...]

Byline: Peter N. Spotts The great earthquake that struck off the Chilean coast early Saturday serves as a stark reminder that the most violent earthquakes Earth's restless crust can deliver [...]

Byline: Peter N. Spotts The number of hurricanes, typhoons, and tropical storms globally is likely to either fall or remain flat over the course of the 21st century. But an [...]

Byline: Peter N. Spotts One of astronomy's most heavily used tools for measuring distances may be less reliable than researchers have assumed, according to a pair of astrophysicists. Their conclusion, [...]

Byline: Peter N. Spotts Take 11 astronauts in orbit, one folksy president of the United States, and a handful of middle-school students with an engineering bent, and for at least [...]

Byline: Peter N. Spotts Astronauts aboard the International Space Station got their first views of Earth from a new cupola today - the kind of sweeping panoramas that have largely [...]

Byline: Peter N. Spotts The Obama administration has submitted budget proposals to Congress that give a new direction to the US space program, particularly its human-spaceflight activities. During the next [...]

Byline: Peter N. Spotts President Obama announced Tuesday that his administration has agreed to provide an $8.3 billion loan guarantee for an Atlanta-based utility and its partners to build two [...]

Byline: Peter N. Spotts Forget Pennsylvania's Punxsutawney Phil or Nantucket's Quentin Quahog - a pampered clam whose prognostication consists of spitting in one of two directions, depending on how much [...]

Byline: Peter N. Spotts A new countdown has begun on the International Space Station: It's T-minus two days and counting - give or take a few hours - for some [...]

Byline: Peter N. Spotts If you're hunting for an explanation for this winter's record-setting behavior across the United States, look no farther than the coins in your pocket. Total up [...]

Byline: Peter N. Spotts Scientists and space-weather forecasters have a new ally in their quest to understand and forecast solar storms - events that can disrupt radio communications on Earth, [...]

Byline: Peter N. Spotts The United Nations-sponsored Intergovernmental Panel on Climate Change - given the charge of providing world leaders with periodic updates on global warming and the policy options [...]

Byline: Peter N. Spotts For 140 years, the National Weather Service and its forerunner, the US military's Weather Bureau, have tracked and forecast weather around the country. Now, that institution [...]

Byline: Peter N. Spotts The space shuttle Endeavour and its six-member crew arced into the sky in the predawn hours Monday on a 13-day mission to the International Space Station. [...]

Byline: Peter N. Spotts The space shuttle Endeavour's crew will return to the pad in the wee hours Monday morning for another launch attempt, following Sunday morning's false start. Mission [...]

Byline: Peter N. Spotts After years of construction, the International Space Station is about to get a room with a spectacular view. At 4:39 a.m. Eastern Standard Time Sunday, NASA [...]

Byline: Peter N. Spotts The dwarf planet Pluto has gone yellow camo. New images of the distant ice ball captured by the Hubble Space Telescope and released Thursday reveal a [...]

Byline: Peter N. spotts Working on the cutting edge of science is a tough job. Just ask Stephen Myers. He's the director of accelerators and technology at the European Organization [...]

Byline: Peter N. Spotts For the first time, astronomers have detected gas glowing like a fluorescent bulb in the atmosphere of a planet orbiting a distant star. Researchers have had [...]

Byline: Peter N. Spotts The Obama administration Monday unveiled a 2011 budget request for NASA that would change the agency's approach to human spaceflight. The White House has redlined the [...]

Byline: Peter N. Spotts Staff writer A decade-long plateau in global warming appears to have occurred in large part because the stratosphere - the layer of atmosphere that few but [...]