Even as the last of its magnets is put into place, the Large Hadron Collider is facing the possibility of postponement due to a piece that broke with a bang in March.

High-tech analysis of the Christian manuscript shows even older commentary on Aristotle's theories of logic hidden under the religious writings.

An ancient life-form that has stumped scientists for more than a century was most likely a fungus that stood up to 24 feet (8 meters) tall.

The most Earthlike planet yet has the conditions to support life, including liquid water, say astronomers who found the planet orbiting a star 20.5 light-years away.

New analysis of the near-Earth asteroid Itokawa shows evidence that surface materials on the low-gravity object not only stick around but also are sorted by periodic shaking.

An explosive image of a dozen stars' birth pangs marks the anniversary of the Hubble Space Telescope, 17 years after it was borne into space by the shuttle Discovery.

NASA has released long-awaited images of the star of the latest 3-D blockbuster—shot by twin spacecraft orbiting the sun.

Cosmic rays produced at the edge of our galaxy have devastated life on Earth every 62 million years, according to a new study.

Wind and radiation from massive, superhot stars can blow away planet-forming materials around smaller stars within a ten-trillion-mile radius, a new study suggests.

Hundreds of venomous cottonmouth snakes thrive on the small, waterless island of Seahorse Key. A biologist thinks he knows the secret to the snakes' success.

When ancient amphibians evolved to live on land, they were already prepared for the challenge of feeding in air, researchers report.

What does it take to build a massive particle accelerator hundreds of feet below the Swiss-French border? Thousands of physicists, miles of magnets, and perhaps a bit of luck.

This week's pictures: Vet gives crocodile a hand, Venus glows, girls gone watery, and more. Warning: graphic image.

Infrared cameras recently captured an image of the Red Square Nebula, a rare cloud of dust and gas so symmetrical that a scientist deemed it "almost perfect."

The rhesus monkey genome, the third primate genome to be sequenced, will help advance understanding of primate evolution and what makes us distinctly human, scientists say.