Friday August 7, 2009 6:01PM ET
NASA's Jet Propulsion Laboratory is introducing a new Web site that will provide information on near-Earth objects, asteroids and comets that can approach Earth.
Friday July 31, 2009 6:01PM ET
The existence of liquid water in comets gives added support for a connection between life on Earth and comets.
Friday July 24, 2009 6:01PM ET
In 1881, the optimistic Irish economist Francis Edgeworth imagined a strange device called a "hedonimeter", in other words, a happiness sensor; 128 years later his dream came true.
Friday July 17, 2009 6:01PM ET
By creating robust simulations of the early universe, astrophysicists have gained the most detailed understanding to date of the formation of the first stars.
Friday July 10, 2009 6:01PM ET
The International Space Station (ISS) is a fantastic place for scientist but it could be a nice place for tourists in not so distant future.
Friday July 3, 2009 6:01PM ET
If people are instructed to focus exclusively on positive thoughts, they may find negative thoughts to be especially discouraging. The result: "I'm beautiful" turns into "I'm ugly".
Friday June 26, 2009 6:01PM ET
Two hundred and fifty million years ago the Earth was one supercontinent named Pangaea. Let's jump 250 million years in the future: it will be one piece of land again, just with a different name - Pangaea Ultima.
Friday June 19, 2009 6:01PM ET
Here it is: the second instalment of studies insult common sense. It seems that researchers can get the money for anything they want and sometimes the results are unbelievable.
Friday June 12, 2009 6:01PM ET
Countless hours are lost in traffic jams every year but those jams have no cause - no accident, no stalled vehicle, no lanes closed...
Friday June 5, 2009 6:01PM ET
Astrometry, a long-proposed tool for hunting planets, finnaly caught a Jupiter-like planet orbiting one of the smallest stars.
Friday May 29, 2009 4:21PM ET
Packing more digital music onto silicon chips in MP3 player is like squeezing more strawberries into the same size supermarket carton.
Friday May 22, 2009 7:01PM ET
NASA's return to the moon will get a boost in June with the launch of the upcoming missions of the Lunar Reconnaissance Orbiter, or LRO, and the Lunar Crater Observation and Sensing Satellite, or LCROSS.