joshua blue pena

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The Most Popular Dogs in America

The best part about dogs (besides their unconditional love) is that they come in all shapes and sizes. With all this variety, who is the top dog? In …

Week's Best Space Pictures: A Star Dies, Mars Cracks, and Neutrinos Are Born

Astronomers capture the brilliant glow of a dying star, ice on Mars begins to crack, and a supermassive black hole belts out exotic particles in this week's best space pictures.

Black hole at Milky Way center may be emitting mysterious neutrinos, NASA says

The massive black hole at the heart of our milky galaxy may be churning out peculiar particles called neutrinos, NASA satellites have revealed. If …

Did NASA’s Curiosity Mars Rover Find Fish Fossil On Mars?

Curiosity Mars rover has provided numerous intriguing insights into the mysteries of the Red Planet since it landed on the Martian surface two years …

Hibernation Doesn't Affect Memory, At Least For Bats

Sleep deprivation saps much more than your energy. Studies show it also weakens your memory, changing the way we convert short-term memories into long-term ones. But not for bats.<p>This time of year, millions of bats from a spectrum of species are hunkered down in caves, where they’ll huddle together …

Biology teacher snaps rabbit's neck before skinning it in front of class full of teenagers

A teacher has come under fire after he killed and skinned a rabbit in front of a class of teenagers.<p>The part time biology teacher, who is also a …

Astronomers Discover Planet Identical To Earth With Orbital Space Mirror

WASHINGTON—In what many are hailing as the most significant development in the history of space exploration, NASA scientists announced Thursday that …

Universe

Europe Was a Melting Pot From the Start, Ancient DNA Reveals

Genetic analysis of a 37,000-year-old human bone from Russia suggests widespread intermingling during Paleolithic times.<p>Modern Europeans have genetic ties that bind them together much further back in time than once thought, scientists report after analyzing a prehistoric Russian man's DNA.<p>Scraps of …