NASA's researchers are frequently taking pictures that are hard to believe — or that look familiar, but turn out to be not at all what we expected. This picture comes from a place not too distant, at least for NASA.
Russian scientists have recovered a large chunk of what they say is a remnant of the Chelyabinsk meteor. Scientists will study the meteorite fragments to better understand the meteor that disintegrated over the Urals in a fiery explosion earlier this year. It's so big it broke the scale they planned to use to weigh it.
Canadian Astronaut Chris Hadfield will be returning to earth Tuesday after five months of commanding the International Space Station. Marco Werman speaks with his unofficial social media manager and his son, Evan Hadfield.
Dennis Tito, multi-millionare turned space pioneer, wants to send two people to Mars and back. We hear about the challenges such a couple would face from Bill and Laurel Cooper, who spent 35 years sailing the world together.
A meteor estimated to weigh about 10 tons entered the earth's atmosphere at a speed of 33,000 miles per hour over Russia's Ural Mountains and caused a shockwave that shattered windows and damaged walls in the town of Chelyabinsk.
The meteor explosion in Russia comes on the same day as an asteroid passes unusually close to Earth. Anchor Carol Hills speaks with Denton Eble, curator of meteorites at the American Museum of Natural History in New York.
For our Geo Quiz we wanted to know the birthplace of the astronomer Johannes Kepler. He was born in Weil der Stadt in southern Germany in 1571. NASA is launching a space mission named after Kepler tonight. The World's David Leveille reports.
Astronomer Nicolaus Copernicus is famous for figuring out that the Earth revolves around the sun. For nearly five centuries the location of Copernicus' earthly remains was a mystery. Now the case is cracked: We're wondering if you know where?
?This is our generation's Sputnik moment,? President Obama said during last night's State of the Union address. The World's Jeb Sharp tells us what Sputnik was and whether the analogy makes sense for today's challenges.
The World's Marco Werman reflects on the high altitude skydive being attempted by Austrian daredevil Felix Baumgartner and then recalls the previous record holder's near disastrous attempt 50 years ago.
Obama's health care turkey requires some heavy lifting this season. We look at immigrants, both those puzzling over US traditions and one just passing through from the Oort Cloud. And North Koreans may have a new export for the US, albeit an illegal one. All that and more, in today's Global Scan.
Last month, an unmanned spacecraft blasted off on its debut mission. It's not clear what it's for, but it is now clear where it's orbiting. An informal network of amateur satellite observers figured it out. The World's Alex Gallafent has more.