Untitled, by South African artist Gavin Jantjes, is one of the works in the "African Cosmos" exhibition.
National Museum of African Art
October 28, 2012 An ongoing exhibition at the National Museum of African Art asks visitors to consider the connections between art and science — and the ways both disciplines help us explore the why, when and how of our existence. Artifacts in the exhibition show that we've been wondering about the stars for millennia.
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October 22, 2012 Amateur astronomers recently discovered a planet with four suns. The discovery itself is remarkable — but all the more so because it was made by amateurs. David Greene talks with Arfon Smith from the Adler Planetarium in Chicago about the discovery and the growing contributions that so-called "armchair" astronomers are making to the field.
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October 20, 2012 Maybe it's because Halloween is right around the corner, but when we saw this image, our first thought was nougat, a confection that's been around for centuries. But what we're looking at is a lot older — and more heavenly.
October 19, 2012 A NASA spacecraft captured the clearest recording yet of what space sounds like inside Earth's radiation belts. Craig Kletzing, a professor of physics and astronomy at the University of Iowa, explains what causes these eerie chirping noises, and what we can learn from them.
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October 19, 2012 Most scientists agree that the Moon was born when a planet-sized object smashed into the young Earth. But the details are foggy--two papers in Science this week present very different scenarios for that collision. Planetary scientist Erik Asphaug says he wonders if the riddle of the Moon's formation may ever be solved.
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An artist's impression shows a planet, right, orbiting the star Alpha Centauri B, center, a member of the triple star system that is the closest to Earth.
October 17, 2012 Researchers have found a planet orbiting a neighboring star that's similar to our sun. Alpha Centauri B is a staple of science fiction, because the star is so close to our own solar system. Now scientists say they have evidence that the star is orbited by at least one planet and where there's one, there's probably more.
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Felix Baumgartner of Austria as he jumps out of the capsule during the final manned flight for Red Bull Stratos on Sunday.
Red Bull Stratos/AP
October 15, 2012 Watching Felix Baumgartner's "space jump" on Sunday was exciting, riveting and unnerving. And it does make you wonder: What if something had gone wrong?
October 15, 2012 Morse code isn't used very often for 21st century Earth communication. However, artists, scientists and ham radio enthusiasts still creatively use the dots and dashes to make their imprint in space.
October 14, 2012 Ever wonder what it would look like to fly high above the Earth in the middle of the night? In a video by NASA scientist Justin Wilkinson, it's clear that while we're asleep, our planet is buzzing with city lights and lightning storms.
Space shuttle Endeavour travels through Los Angeles on Saturday.
Jeff Gritchen/AFP/Getty Images
October 13, 2012 The crowds that cheered the shuttle on Saturday changed their tune after a night of hassles that left the Endeavour still blocking L.A. traffic and threatening trees early Sunday morning.
A fragment of the meteor that crashed into Tissint, Morocco.
Mark Mauthner/Heritage Auctions
October 12, 2012 A meteorite from Mars hit the Moroccan desert in 2011. Now its otherworldly fragments are telling scientists about the history of the red planet. You, too, can own a piece of Martian history — if you've got a couple hundred thousand dollars to spare.
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October 12, 2012 While NASA's robot is taking photos of Martian rocks, there are several pieces of the real thing on Earth. In 2011, an extremely rare event happened in Morocco — people observed a meteorite fall and recovered it before it was contaminated by water or organisms from Earth. Scientists now describe how it was made, and what it's made of. Now this weekend a piece of the asteroid is up for sale at a pricy auction house in Manhattan. Science and art have converged in a piece of Martian rock.
October 12, 2012 NASA's space shuttle Endeavour is on its last journey. It's being towed through the streets of Los Angeles on its way to a science museum. Endeavour is expected to take two days to make the trip, providing gawkers with plenty of chances to get a glimpse.
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October 12, 2012 Curiosity scooped its first sample of Martian soil on Oct. 7, but activities were halted after a small, bright object — which NASA now says is likely a piece of plastic from the rover — was spotted on the ground. Mike Watkins, Curiosity's mission manager, provides an update.
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October 12, 2012 The 2012 Nobel Prize winners were announced this week, and research on stem cells, cloning, cell receptors and quantum optics took center stage. Experts discuss how the work of this year's Nobel laureates changed our understanding of our bodies, and the world around us.
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