Scientists Grapple with 'Dark Energy' Theory

Listen Now:

Real Media|Windows Media Explain these links

Morning Edition, December 31, 2003 · In recent years, scientists have theorized that as much as two-thirds of the universe may be made up of a mysterious substance called "dark energy." As new observations continue to support the existence of dark energy, scientists struggle to understand what it portends for the fate of the universe. Hear NPR's Richard Harris.

E-mail this Page

Recipient's e-mail address:	» Up to twelve addresses, separated by commas.
Your e-mail address:
Your name:
Personal message (optional, 600 characters max):
Your NPR member station:
Are you a member of your local NPR station?	Yes No
Would you like to receive information from your local NPR member station? (see NPR's privacy policy)	Yes No
Please send me updates from NPR.	Yes No

(Information collected by NPR will be used solely for internal NPR or NPR member station purposes and only if you selected 'yes' above. See NPR's privacy policy for more information.)