Jim Tallman

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Everything you need to know: Camelopardalids could be the best meteor shower this year

North America is predicted to have the best view of a possible new meteor shower from Comet 209P/LINEAR Friday night through Saturday morning (May …

Astronomy

Why Europa?

Forget Mars, the place we really want to go looking for life is Jupiter’s moon Europa. Dr. Mike Brown, a professor of planetary science at Caltech, …

Neutron star spotted moving 5 million mph, trailing particle jet

Jet is the longest collection of high energy particles in the Milky Way.<p>Yesterday, the people who run NASA's Chandra X-ray Observatory announced that …

How will future spacesuits need to be modified to adjust for deep-space travel? Here's one idea for a deep-space future suit from NASA's Innovative Advance Concepts branch: http://bit.ly/1eyO380

Astronomers have found what appears to be one of the oldest known stars in the universe. http://oak.ctx.ly/r/pszj

Planets

We want to know, what's your favorite Hubble picture? Here's ours: Mystic Mountain, from deep within the Carina Nebula. http://bit.ly/1g4fdpV

NASA solves mystery of 'jelly donut' on Mars

It was a complete unknown -- it was a rolling stone.<p>A mystery rock that appeared before NASA's Opportunity rover in late January -- and bore a strange resemblance to a jelly donut -- is no more than a common piece of stone that bounced in front of the cameras, NASA said Friday.<p>The strange rock was …

NASA Has Determined Where The Mysterious Jelly-Doughnut Rock On Mars Came From

Scientists have confirmed that a strange-looking Mars rock, called "Pinnacle Island," that suddenly and inexplicably popped up in a photograph taken by the Opportunity rover came from a larger piece of rock nearby. The larger rock, known as "Stuart Island," was chipped by one of the rover's wheels …

This globular cluster is a densely packed ball of stars bound…

This globular cluster is a densely packed ball of stars bound together by gravity. It lies just over 75,000 light-years away from us on the other side of our galaxy, the Milky Way. It is a peculiar cluster, quite unlike others we observe, making it an intriguing object of study for astronomers.<p>Evidence shows that Terzan 7 used to belong to a small galaxy called the Sagittarius Dwarf Galaxy, a mini-galaxy discovered in 1994. This galaxy is currently colliding with, and being absorbed by, the …