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Tag archives for black hole

March 9, 2014: Racing the Iditarod With Twins, Time Traveling to a Black Hole and More

Join radio host Boyd Matson every week for adventure, conservation and green science. This week they ride 1,000 miles across Alaskan wilderness with a pack of dogs, hike quickly down the Appalachian Trail, lower scientists into sinkholes on tepuis, program robots to do household chores but not enslave the human race, break free of time on the edge of a black hole, be persecuted for our science, grow organic underwear, and explain evolution to children.

Picture: Giant Black Hole Blasting Holes in Surrounding Galaxy Cluster

A giant, supermassive black hole blasts galaxy-size voids in a newly released composite image.

Cosmic Crash at Milky Way Core?

This artist’s conception shows a supermassive black hole, with millions of times the mass of our sun, buried at the heart of our Milky Way galaxy. Credit: NASA Astronomers around the world are on a cosmic stakeout, closely watching the supermassive black hole—lurking at the center of our Milky Way Galaxy—that is about to gobble…

November 17, 2013: Horse-Riding Across Asia, Roadtripping America With a Canine Copilot and More

This week on National Geographic Weekend, join host Boyd Matson, as we ride 6,000 miles across Central Asia, collect chicken feces to protect bees from wasps, cycle across Iceland, ponder the moose’s plight, and drive to every state with a canine copilot.

Is This the Biggest Black Hole Ever?

A monstrous black hole—17 billion times the mass of the Sun and possibly the largest ever detected—appears to be too big for its galactic home, leaving astronomers scratching their heads about its very existence. The cosmic behemoth, at the heart of a distant galaxy, is estimated to be 4,000 times larger than the black hole…