When nanofiber spheres are injected with cells into wounds, the spheres biodegrade, but the cells live on to form new tissue.

Twitter users can benefit those seeking to broadcast or discover information in times of disaster, but a method for regulating false "retweets" might be needed.

Factors other than low sunspot activity must have contributed to the Little Ice Age that began in the 17th century, according to a new study.

We could still find evidence of the Big Bang and an expanding universe a trillion years from now, even with no galaxies visible in the night sky.

You're not likely to see much of the planet Jupiter in early May 2011. However, the giant planet quickly climbs away the glow of dawn throughout the month. When will you first spot Jupiter, the sky's second planet, in the east before sunrise?

There's antimony, arsenic, aluminum, selenium, and hydrogen and oxygen and nitrogen and rhenium ...

Stretching and twisting lines can visually portray the warping of space-time and solve a mystery surrounding merged black holes.

Japan's meteorological agency has issued a tsunami warning for a wave of up to one meter, following a strong earthquake today near the east coast of Honshu.

The moon is our closest neighbor in space, but today two asteroids come closer. One passed through the Earth/moon system this morning - and the other minutes ago.

Astronomers in Ireland have found another asteroid , asteroid 2010 SO16, is Earth's companion, sharing our orbit around the sun.