New proposals to defend Earth from cataclysmic impacts range from a tugboat-like spaceship to arrays of giant scopes that can better scan the skies, scientists said today.
A large network of waterways helps carry ice from the center of Antarctica to the ocean, scientists say, in a finding that may help clarify how global warming will affect the world's sea levels.
Mysterious deep-sea giants that use their bioluminescent arms to dazzle and catch prey have been filmed for the first time ever in the wild. With videos.
The recently hobbled space telescope is still proving its mettle, capturing a colorful image of a white dwarf's "last hurrah" with its remaining camera.
A new image shows a mass of organic material that almost engulfs Titan's north pole, offering proof that the moon has a "methane cycle" similar to Earth's water cycle.
If life as we know it exists on the red planet, it would have to be deeper under the surface than current probes are able to detect, a European team concludes.
