NASA (July 15, 2013) Caleb: If you want to look back in time to the beginning of our solar system, look no further than comets and asteroids.
Molly: These solar system time capsules have been giving away secrets of not ... watch video
NASA (July 11, 2013) Caleb: A look back at 50 years of solar system exploration. We're all used to seeing incredible images from our cosmic backyard: neighboring planets, their moons, comets, and asteroids.
Molly: But ... watch video
Reuters (Dec. 6, 2012) Scott Kelly, a veteran of the International Space Station, will return for an experimental year-long stay aboard the orbital outpost in 2015, a test run for future missions to the moon, asteroids and ... watch video
NASA (July 25, 2013) What if one of the millions of asteroids in our solar system was on a collision course with the Earth? What would we do? How would we react? Hundreds of the world’s top engineers and ... watch video
NASA (June 14, 2013) The NASA Science Day on Capitol Hill provided an opportunity to showcase for members of Congress and the public, the work and accomplishments of the agency’s Science programs. Associate ... watch video
Feb. 1, 2016 The origin of matter in the universe has puzzled physicists for generations. Today, we know that matter only accounts for 5 percent of our universe; another 25 percent is constituted of dark matter. ... read more
Jan. 29, 2016 Promising new calibration tools, called laser frequency combs, could allow astronomers to take a major step in discovering and characterizing earthlike planets around other ... read more
Jan. 28, 2016 New research is broadening perspectives on time and space. Scientists challenge the long-held presumption that time evolution -- the incessant unfolding of the universe over ... read more
Jan. 29, 2016 The moon was formed from a violent, head-on collision between the early Earth and a 'planetary embryo' called Theia approximately 100 million years after the Earth formed, ... read more
Jan. 28, 2016 New Hubble telescope observations suggest that a high-velocity gas cloud was launched from the outer regions of our own galaxy around 70 million years ago. Now, the cloud is ... read more
Jan. 26, 2016 Antihydrogen is a particular kind of atom, made up of the antiparticle of an electron -- a positron -- and the antiparticle of a proton -- an antiproton. Scientists hope that studying the formation ... read more
Apr. 22, 2015 Researchers can now explain how asteroids are formed. Our own planet also has its origins in the same process, a cosmic ocean of millimeter-sized particles that orbited the young sun, according to ... read more
Jan. 29, 2014 A new map developed by astronomers charts the size, composition, and location of more than 100,000 asteroids throughout the solar system, and shows that rogue asteroids are actually more common than ... read more
Nov. 19, 2013 For nearly as long as astronomers have been able to observe asteroids, a question has gone unanswered: Why do the surfaces of most asteroids appear redder than meteorites -- the remnants of asteroids ... read more