Items tagged with earth

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Saturn's Dynamic Moon

Sunday, December 21st, 2008 - 18:09:46 - Ehud Rattner

The closer scientists look at Saturn's small moon Enceladus, the more they find evidence of an active world. The most recent flybys of Enceladus made...

Leaks Found in Earth's Magnetic Shield

Thursday, December 18th, 2008 - 14:37:46 - Anuradha Menon

Earth's magnetic field, which shields our planet from particles streaming outward from the Sun, often develops two holes that allow the largest...

Magma Superpiles May Have Shaped Continents

Wednesday, December 17th, 2008 - 12:23:00 - Anuradha Menon

Two giant plumes of hot rock deep within the earth are linked to the plate motions that shape the continents, researchers have found. The two...

Earth's Atmosphere and Space Get Closer

Tuesday, December 16th, 2008 - 18:16:46 - Ehud Rattner

Observations made by NASA instruments onboard an Air Force satellite have shown that the boundary between the Earth's upper atmosphere and space has...

Carbon Dioxide Helped Ancient Earth

Sunday, December 7th, 2008 - 10:13:14 - Ehud Rattner

The planet’s present day greenhouse scourge, carbon dioxide, may have played a vital role in helping ancient Earth to escape from complete...

How to Destroy an Asteroid

Friday, December 5th, 2008 - 16:46:50 - Anuradha Menon

In the hit 1998 movie Armageddon, Bruce Willis and Ben Affleck blew up an asteroid to save the world. While the film was science fiction, the chances...

Young Planets Remain Hot Longer than Assumed
Wednesday, December 3rd, 2008 - Shalhevet Bar-Asher
An MIT scientist suggests young planets maintain a high temperature for several million years, much longer than previously...

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North Atlantic Cold-Water Sink Returns!

Tuesday, December 2nd, 2008 - 11:15:10 - Ehud Rattner

Scientists have found evidence that convective mixing in the North Atlantic, a mechanism that fuels ocean circulation and affects Earth's climate...

Taking Out The Trash In Space

Wednesday, November 26th, 2008 - 16:43:18 - Anuradha Menon

No one takes out the trash in space. In the cramped living quarters of a space station, garbage can pile up, spoil and become a health hazard for...

IBEX to Go to the Outer Solar System
Tuesday, November 25th, 2008 - Ehud Rattner
NASA has recently accomplished the successful launch of the Interstellar Boundary Explorer (IBEX) probe into orbit. The...