An artist's concept of Voyager 1.

Computer simulation predicts Voyager 2 will reach major milestone in space in late 2007-early 2008

Space & Earth / Space Exploration

created Nov 27, 2007 | popularity 4.7 / 5 (62) | comments 4

Using a computer model simulation, Haruichi Washimi, a physicist at UC Riverside, has predicted when the interplanetary spacecraft Voyager 2 will cross the “termination shock,” the spherical shell around the ...


Surprisingly rapid changes in the Earth's core discovered

Space & Earth / Earth Sciences

created Jul 07, 2008 | popularity 4.2 / 5 (68) | comments 11

In a recent paper published in Nature Geoscience, the geophysicist Mioara MANDEA from the GFZ German Research Centre for Geosciences, Potsdam and her Danish colleague Nils OLSEN from the National Space Institute/DTU Copenh ...


Composite, false-colour view of Venus south pole captured by VIRTIS 12 April 2006 onboard Venus Express

Unexpected detail in first-ever Venus south pole images

Space & Earth /

created Apr 13, 2006 | popularity 4.7 / 5 (61) | comments 0

ESA's Venus Express has returned the first-ever images of the hothouse planet's south pole from a distance of 206 452 kilometres, showing surprisingly clear structures and unexpected detail. The images were ...


Was Einstein Wrong about Space Travel?

Was Einstein Wrong about Space Travel?

Space & Earth /

created Mar 22, 2006 | popularity 3.6 / 5 (80) | comments 0

Consider a pair of brothers, identical twins. One gets a job as an astronaut and rockets into deep space. The other stays on Earth. When the traveling twin returns home, he discovers he's younger than his brother.


New crustacean species found in cave near Ramle, Israel.

Unique Underground Ecosystem Revealed by Hebrew University Researchers Uncovers Eight Previously Unknown Species

Space & Earth / Earth Sciences

created May 31, 2006 | popularity 4.8 / 5 (60) | comments 0

Discovery of eight previously unknown, ancient animal species within “a new and unique underground ecosystem” in Israel was revealed today by Hebrew University of Jerusalem researchers.


Carbon dioxide did not end the last Ice Age

Carbon dioxide did not end the last Ice Age

Space & Earth / Earth Sciences

created Sep 27, 2007 | popularity 4.8 / 5 (59) | comments 3

Carbon dioxide did not cause the end of the last ice age, a new study in Science suggests, contrary to past inferences from ice core records.


Mukul Sharma and Rasmus Andreasen (Joseph Mehling '69)

Researchers find new information about Earth's origins

Space & Earth / Earth Sciences

created Oct 05, 2006 | popularity 4.3 / 5 (67) | comments 0

Two Dartmouth researchers have learned more about the origins and makeup of the solar nebula, the large gaseous cloud thought to have spawned the solar system. Mukul Sharma, assistant professor of Earth sciences, ...


Earth: Past the point of no return

Space & Earth /

created Jan 16, 2006 | popularity 3.2 / 5 (89) | comments 0

Renowned scientist James Lovelock says he believes the world has passed the point of no return for climate change, and civilization is unlikely to survive.


500 days at Venus, and the surprises keep coming

500 days at Venus, and the surprises keep coming

Space & Earth / Astronomy

created Sep 03, 2007 | popularity 3.8 / 5 (74) | comments 0

Venus Express has now orbited Earth’s twin for 500 Earth days, completing as many orbits. While the satellite maintains steady and excellent performance, the planet continues to surprise and amaze us.


Revised Theory Suggests Carbon Dioxide Levels Already in Danger Zone

Revised Theory Suggests Carbon Dioxide Levels Already in Danger Zone

Space & Earth / Environment

created Nov 07, 2008 | popularity 3.3 / 5 (85) | comments 58

(PhysOrg.com) -- If climate disasters are to be averted, atmospheric carbon dioxide (CO2) must be reduced below the levels that already exist today, according to a study published in Open Atmospheric Science Jo ...


Hubble Finds the 'Tenth Planet' is Slightly Larger than Pluto

Hubble Finds the 'Tenth Planet' is Slightly Larger than Pluto

Space & Earth /

created Apr 11, 2006 | popularity 4.3 / 5 (66) | comments 0

NASA's Hubble Space Telescope has resolved the "tenth planet," nicknamed "Xena," for the first time and has found that it is only just a little larger than Pluto.


Earth

Computer simulations strongly support new theory of Earth's core

Space & Earth / Earth Sciences

created Feb 08, 2008 | popularity 4.4 / 5 (64) | comments 3

Swedish researchers present in today’s Web edition of the journal Science evidence that their theory about the core of the earth is correct. Among other applications, the findings may be of significance for ou ...


Geologists Discover Origin of Earth's Mysterious Black Diamonds

Geologists Discover Origin of Earth's Mysterious Black Diamonds

Space & Earth / Earth Sciences

created Jan 09, 2007 | popularity 3.8 / 5 (74) | comments 0

If indeed "a diamond is forever," the most primitive origins of Earth's so-called black diamonds were in deep, universal time, geologists have discovered. Black diamonds came from none other than interstellar ...


Super-size deposits of frozen carbon threat to climate change

Space & Earth / Earth Sciences

created Jun 30, 2009 | popularity 4.7 / 5 (60) | comments 11

The vast amount of carbon stored in the arctic and boreal regions of the world is more than double that previously estimated, according to a study published this week.


Going green: Entire Swedish city switches to biofuels to become environmentally friendly

Space & Earth / Environment

created Mar 08, 2009 | popularity 4.5 / 5 (61) | comments 5

Though a fraction of Chicago's size, this industrial city in southeast Sweden has plenty of similarities with it, including a long, snowy winter and a football team the town's crazy about.