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'I voted from space': Lone American off planet casts ballot

The lone American off the planet has cast his vote from space, keeping with NASA's motto of "Vote while you float." NASA said Monday that astronaut Shane Kimbrough filed his ballot in Tuesday's ...

First-Ever Dinosaur Brain Tissue Found

What was going on in dinosaurs' noggins as they dwelled in Cretaceous forests, stalking fierce prey or sitting on a nest of giant eggs? Paleontologists may never know the answer to these questions, but they just got one step closer with the first-ever discovery of brain tissue from a dinosaur. Discovering any soft tissue from a dinosaur is rare since that material degrades faster than other types of tissue, and dinosaurs lived more than 66 million years ago.

Mistaken Identity? Debate Over Ancient 4-Legged Snake Heats Up

"Tetrapodophis doesn't show any of those features that you would expect to see in a snake," said Michael Caldwell, a professor and chair of biological sciences at the University of Alberta in Edmonton, Canada, who is leading the new investigation into the enigmatic fossil. For instance, Tetrapodophis amplectus doesn't have hooked teeth like a snake does, nor does it have a snake-like skull and skeleton, Caldwell said. It's unclear exactly how dolichosaurids are related to snakes, but some evidence suggests they are a sister group to the slithery reptiles, Caldwell said.

Jackpot! Hiker Discovers Ancient Reptile Footprints Near Las Vegas

The ancient environment preserved this creature's footprints in a fossilized trackway that researchers are calling Chelichnus gigas. That's because like many four-legged (or tetrapodal) animals, this ancient critter's back feet would have stepped directly on top of the freshly made footprints of its front feet, meaning that the front footprints are obscured by the back ones, said study lead researcher Stephen Rowland, a professor of geology at the University of Nevada, Las Vegas. "The hind footprints are superimposed on the front footprints, so we don't have well-preserved front footprints," Rowland told Live Science.

An Entire Ecosystem of Creepy-Crawlies May Lurk in Your Home

A new analysis of the insects, spiders and other creepy-crawlies in homes across the United States reveals that the Turkestan cockroach (Shelfordella lateralis), a small introduced species native to Asia, has spread beyond homes in the U.S. South and West and now lives in Northeastern homes, too. The researchers also found a wide diversity of indoor arthropods, a group of animals with exoskeletons that includes insects and spiders. Three factors that were linked with more diversity included living in a rural area, having a basement, or owning a cat or a dog.

Shiny! NASA Shares a New Icy Arctic View

Satellite photos of Earth against the dark backdrop of space inspired the nickname "the blue marble," referring to the expanses of ocean that cover 71 percent of the planet's surface. In an image shared online today (Oct. 28) by NASA's Earth Observatory, the Arctic is front and center, showcasing the region of the planet covered by varying amounts of ice year-round. NASA scientists created the image to commemorate the first meeting of an international consortium of scientists planning global partnerships for Arctic research.

What Trump or Clinton Would Mean for Space: Experts Weigh In

Ahead of tomorrow's presidential election, some voters may wonder what each candidate will do for America's space program. The president of the United States has a substantial influence on NASA's leadership, budget and program direction. The president nominates the NASA administrator and deputy administrator (the top two leadership positions in the agency).

Monday, November 7, 2016