Science

Science news on global warming, astronomy, stem cells, nanotechnology, break-throughs, etc



Monolithic human figures called moai were carved from rock between 1250 and 1500 by the inhabitants of Easter Island, which lies more than 2,000 miles off the coast of Chile. Credit UCSB
Monolithic human figures called moai were carved from rock between 1250 and 1500 by the inhabitants of Easter Island, which lies more than 2,000 miles off the coast of Chile. Credit UCSB


Seeking Answers To Easter Island Mystery

Long before the Europeans arrived on Easter Island in 1722, the native Polynesian culture known as Rapa Nui showed signs of demographic decline. However, the catalyst has long been debated in the scientific community. Was environmental degradation the cause, or could a political revolution or an epidemic of disease be to blame? A new study […]

This animation of the dwarf planet Ceres was made by combining images taken by NASA's Dawn spacecraft on Jan. 25. The spacecraft's framing camera took these images, at a distance of about 147,000 miles (237,000 kilometers) from Ceres, and they represent the highest-resolution views to date of the dwarf planet. Image Credit: NASA/JPL
This animation of the dwarf planet Ceres was made by combining images taken by NASA's Dawn spacecraft on Jan. 25. The spacecraft's framing camera took these images, at a distance of about 147,000 miles (237,000 kilometers) from Ceres, and they represent the highest-resolution views to date of the dwarf planet. Image Credit: NASA/JPL


Captured Best-Ever View Of Dwarf Planet

NASA’s Dawn spacecraft has returned the sharpest images ever seen of the dwarf planet Ceres. The images were taken 147,000 miles (237,000 kilometers) from Ceres on Jan. 25, and represent a new milestone for a spacecraft that soon will become the first human-made probe to visit a dwarf planet. “We know so little about our […]