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Asteroid Swarm ‘Pounded’ Pulsar Star, Causing Changes Visible From Earth

When you throw a bunch of rock and debris at a rapidly spinning star, what happens? A new study suggests that so-called pulsar stars change their dizzying spin rate as asteroids fall into the gaseous mass. This conclusion comes from observations of one pulsar (PSR J0738-4042) that is being “pounded” with debris from rocks, researchers …

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Search for Planetary Nurseries in the Latest Citizen Science Project

Growing up, my sister played video games and I read books. Now that she has a one-year-old daughter we constantly argue over how her little girl should spend her time. Should she read books in order to increase her vocabulary and stretch her imagination? Or should she play video games in order to strengthen her …

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Kepler Finds an Earth-Sized “Gas Giant”

Gas planets aren’t always bloated, monstrous worlds the size of Jupiter or Saturn (or larger) they can also apparently be just barely bigger than Earth. This was the discovery announced earlier today during the 223rd meeting of the American Astronomical Society in Washington, DC, when findings regarding the gassy (but surprisingly small) exoplanet KOI-314c were presented. “This planet might have …

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Happy New Year’s Day 2014 from Mars – Curiosity Celebrates 500 Sols Spying Towering Mount Sharp Destination

Curiosity Celebrates 500 Sols on Mars on Jan. 1, 2014 NASA’s Curiosity rover snaps fabulous new mosaic spying towering Mount Sharp destination looming dead ahead with her high resolution color cameras, in this cropped view. See full mosaic below. Imagery assembled from Mastcam raw images taken on Dec. 26, 2013 (Sol 494). Credit: NASA/JPL/MSSS/Marco Di …

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Where Should We Look for Life in the Solar System?

Emily Lakdawalla is the senior editor and planetary evangelist for the Planetary Society. She’s also one of the most knowledgeable people I know about everything that’s going on in the Solar System. From Curiosity’s exploration of Mars to the search for life in the icy outer reaches of the Solar System, Emily can give you …

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