Using a technique adapted from oil and gas exploration, researchers have made the best estimate to date of the temperature of the core-mantle boundary.
A bizarre, six-sided cloud formation that extends deep into the atmosphere could be a key to solving the mystery of how fast the gas giant is spinning.
A space rock the size of three football fields may have slammed into California more than 35 million years ago, leaving a crater more than 3 miles (5 kilometers) wide.
A scanner that can detect weapons without revealing a person's intimate body parts or identity could replace more invasive x-ray technology, an expert says.
One of the largest poisonous cane toads ever recorded was captured yesterday in a nighttime "raid" as part of a nationwide campaign to eradicate the toxic pests.
The unique ability of marmoset embryos to exchange practically any type of cell - including reproductive cells - may explain the animals' strange child care system.
It'd yield calamari the size of tractor tires, but that's not why scientists might use a giant microwave machine to defrost this recently caught sea monster.
Scientists are working on a new nanotech material that may be light enough and sturdy enough to protect deep-space astronauts from deadly interstellar radiation.
Circular pits on the surface of Mars appear to be openings to underground caverns, researchers say, and may be the most promising places to look for signs of life.
New York to London in one hour? Hypersonic passenger service may not be far off, thanks to a new agreement between NASA and billionaire Richard Branson.
