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The image shows Curiosity on a tilt table in the Spacecraft Assembly Facility at NASA's Jet Propulsion Laboratory, Pasadena, California.

This view of Earth comes from NASA's Moderate Resolution Imaging Spectroradiometer aboard the Terra satellite.

In a talk at the Harvard Museum of Natural History, Loeb Associate Professor of the Natural Sciences Peter Girguis traced the rise of modern oceanography to the voyage of the Challenger in the 1870s. The sailing ship had just six scientists among its 200 crew members and 21 officers. Along the way, the scientists discovered more than 4,700 new species and found life as deep as 8,000 meters.

A NASA/university study of data on Earth's rotation, movements in Earth's molten core and global surface air temperatures has uncovered interesting correlations. Image credit: NASA/JPL-Université Paris Diderot - Institut de Physique du Globe de Paris

NASA's Wide-field Infrared Survey Explorer, or WISE, captured this image of a star-forming cloud of dust and gas located in the constellation of Monoceros.

This image from NASA's Spitzer Space Telescope shows infrared light from the Sunflower galaxy, otherwise known as Messier 63. Spitzer's view highlights the galaxy's dusty spiral arms.

Scientists in Mexico are developing a new type of cement that will reduce carbon-dioxide emission by up to 80 percent while the amount of energy consumed in the production process will be lowered by as much as 50 percent.