Building on a larger project by Junlin Hua, lead author on the new study, the team created a full-waveform seismic tomographic model for North America. This computer model utilized seismic data ...

An ancient slab of Earth's crust buried deep beneath the ... The dripping area looks like a large funnel, with rocks from across North America being pulled toward it horizontally before getting ...

The previous Apollo missions had taken photographs of the earth in part shadow. Earthrise shows a partial Earth, rising up from the moon's surface. In Blue Marble ... proof of America's supremacy ...

December 7 marks the 50-year anniversary of the Blue Marble photograph. The crew of NASA’s Apollo 17 spacecraft – the last manned mission to the Moon – took a photograph of Earth and changed ...

The image centred on Africa rather than Europe or America ... s new Blue Marble photograph was compared with the original image at the University of Portsmouth’s “The whole Earth: Blue ...

America's next Moon lander ... About a week after launch, the spacecraft looked back on Earth during its second Earth-orbit burn, capturing the "Blue Marble" from where it came from. In the next few ...

A new study details how the North American plate is “dripping ... But as a result of being the most ancient pieces of Earth’s lithosphere (containing the crust and uppermost mantle ...

An ancient slab of Earth's crust ... and portions of Central America and Canada. The North American craton (outlined in black dashes) has a high seismic velocity (dark blue) compared to its ...

In December 1972, Nasa’s final Apollo mission (Apollo 17) took the iconic “Blue Marble” photo of the ... on Africa rather than Europe or America, and became a photographic manifesto for global justice ...

An ancient slab of Earth's crust buried deep beneath the Midwest is sucking huge swatches of present-day's North American crust down into the mantle, researchers say. The slab's pull has created giant ...