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NASA scientists have analysed the water signatures in Mars' atmosphere to determine that the planet once had a primitive ocean bigger than the Arctic Ocean on Earth.
Rosetta researchers think comets are less likely to be the source of Earth's water than previously thought, which also makes them a great source of fuel for fictional starship warp cores.
A meteorite from Mars that landed on Earth in 2011 contains a carbon compound that is biological in origin.
The water in our solar system -- including up to half of Earth's supply -- has actually been here since before the birth of the sun, according to new research.
Isotope analysis of the bones of the last Plantagenet king has revealed fascinating details about how he lived his life.
It's not quite warp drive, but researchers are hot on the trail of building nuclear fusion impulse engines, complete with real-life dilithium crystals.
The Mars Science Laboratory is the most expensive and complex lander ever sent to the red planet, a nuclear-powered rover that will scale a 3-mile-tall mountain to seek the building blocks of life.
Thousands cross daily between Mexico and the U.S. at the San Ysidro port of entry. Most are law-abiding, but many are smugglers. CNET Road Trip 2012 checked out the tech used to stop them.
The explosion at the Marcoule nuclear plant in southern France, which has killed at least one person, was caused by a fire in a storage area for radioactive waste.
The atomic weights of 10 elements will be changed to ranges instead of definite numbers to more accurately reflect the way they are found in nature.