Friday December 12, 2008 9:08PM ET
In 2006, astronomer Alice Quillen of the University of Rochester predicted that a planet of a particular size and orbit must lie within the dust of a nearby star.
Saturday December 6, 2008 12:00AM ET
The chances of an asteroid hitting the Earth are very real and blowing up an asteroid in real life will be more complicated than in the movies.
Saturday November 29, 2008 1:00AM ET
Many alchemists and scientists have been trying to find the elixir of youth for centuries. Miroslav Radman's scientific team came very close to the Holy Grail of genetics.
Saturday November 22, 2008 2:00AM ET
Developed more than 200 years ago and found in households around the world, chlorine bleach is among the most widely used disinfectants, yet scientists never have understood exactly how the familiar product kills bacteria.
Friday November 7, 2008 9:55PM ET
Whoever thought that science was a dry subject might change their mind after learning about a new discovery in which tequila is turned into diamonds.
Saturday November 1, 2008 1:28AM ET
In a remote part of northern Ethiopia, the Earth’s crust is being stretched to breaking point, providing geologists with a unique opportunity to watch the birth of a new ocean.
Friday October 24, 2008 8:20PM ET
Our judgment of a person's character can be influenced by something as simple as the warmth of the drink we hold in our hand.