NASA envisions a human presence on Mars in 20 years. But how will we get there? The Orion spacecraft, an unmanned capsule, will launch on its maiden voyage as an important test for future missions. Science correspondent Miles O’Brien reports…
The European Space Agency released the first images of Philae's bumpy landing today. Orbiting spacecraft Rosetta captured the lander drifting across the surface of Comet 67P for half an hour until its first bounce landing.
The European Space Agency successfully landed a spacecraft the size of a washing machine on a moving comet -- a historic first for space exploration. Tom Clarke of Independent Television News reports on the Philae lander’s amazing touchdown.
Using the ALMA radio telescope in Chile, astronomers were able to capture the formation of a new planet, and scientists are observing it happen more clearly than ever before. Hari Sreenivasan reports.
A Bulgarian man who was paralyzed from the chest down after a 2010 stabbing can now walk after a pioneering transplant in Poland. Cells from the man’s nose were used to repair his spinal nerves in a surgery that gives…
Americans eat twice as much salt as recommended, according to the Centers for Disease Control and Prevention. While the health risks associated with high sodium intake are widely known, many Americans won’t sacrifice taste to eat healthily. What causes these…
After profiling visionary individuals like Benjamin Franklin and Steve Jobs, biographer Walter Isaacson has turned his attention to a whole group of creative minds, weaving the tale of the many inventive thinkers who launched the digital revolution. Judy Woodruff sits…
The Nobel Prize in Physics was awarded to three scientists who created the revolutionary LED light, which is 20 times more efficient than a standard incandescent bulb. Science correspondent Miles O’Brien joins Jeffrey Brown to talk about the winners and…
Five professors at the Karolinska Institute in Stockholm have entered into a competition to see who can incorporate the most Bob Dylan lyrics into their work before retirement.
President Barack Obama pledged Thursday to expand the largest ocean sanctuary to 490,000 square miles, six times its current size. The PBS NewsHour has been following how ocean acidification has impacted marine life and the Americans who depend on them.
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