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"First-ever adult T-Rex trackway shows the dinosaur took 13-foot strides."

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This week, the first known adult T. rex trackway reveals the dinosaur took 13-foot strides. In space news, astronauts tested diagnostic X-rays, while research suggests small lunar towns could live off the moon’s water for centuries.                                                                              -Monica Cull, Digital Editor First-Ever Adult T. rex Trackway Shows the Dinosaur Took 13-Foot Strides About 66.5 million years ago, a T. rex crossed a North Dakota floodplain and left four footprints in the mud. The tracks, now the first known adult T. rex trackway, show a 13-foot stride at roughly the pace of a brisk human walk.

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People Who Drink Sugary Beverages Every Day May Have More Than Double the Risk of Developing Stomach Cancer People who drank at least one sugar-sweetened beverage daily had nearly 2.5 times the risk of stomach cancer compared to those who rarely drank them, according to the first study to examine this link in a U.S. population.   Read More ADVERTISEMENT Travel with Scientific American: Explore the Dutch Waterways and Tulip Fields Travel with us on a river cruise through the Netherlands, a country at the forefront of environmental management and agricultural innovation, with expert guide Eric Sullivan, senior editor of technology and engineering. Spaces are limited; book today!  Discover these stories of the week: The First Known Denisovan Forearm Bone Emerges From a Search Through 60,000 Bone Fragments Small Lunar Towns Could Sustain Themselves on the Moon's Water for Centuries Flint Blades and Firedogs Unearthed in France Reveal 12,000 Years of Human History First Diagnostic X-rays in Space Mark a New Era for Astronaut Health Devastating Volcanic Eruption Engulfed Part of Chile 21.9 Million Years Ago, Burying Evidence of Andes Uplift  10,000-Year-Old Fossilized Mastodon Tooth Found in California Creek Is in "Immaculate Condition"

Hi Reader,  Seeing dinosaur fossils is fascinating. They help us understand what dinosaur species may have looked like and how large they were. Fossilized dinosaur footprints, on the other hand, can offer us additional clues about these extinct species.   Researchers have recently uncovered the first-ever adult T. rex trackway in North Dakota, a series of four preserved footprints in a row. Researchers have seen single T. rex tracks before, but multiple tracks in a row are extremely rare because footprints do not fossilize well.   From these prints, researchers determined that the T. rex took 13-foot strides as it moved through the prehistoric landscape. The footprints are being taken to a museum in Denver for further study and possibly display. But until then, there’s still more to learn, like how sugary drink consumption can increase stomach cancer risk and how small lunar cities could live off the moon’s water for centuries.   So, keep reading and stay curious!

Monica Cull  Digital Editor

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