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 (Feb. 15, 2013) It may have been small, appearing so even in the best optical telescopes on Earth, but the flyby of asteroid 2012 DA14 was anything but a minor event to astronomers. Never feared as a threat to ... 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
Newsy (Oct. 19, 2014) A comet from the farthest reaches of the solar system passed extremely close to Mars this weekend, giving astronomers a rare opportunity to study it.
Video provided by ... watch video
Feb. 9, 2016 Hundreds of hidden nearby galaxies have been studied for the first time, shedding light on a mysterious gravitational anomaly dubbed the Great Attractor. Despite being just ... read more
Feb. 5, 2016 Stars do not accumulate their final mass steadily, but in a series of violent events manifesting themselves as sharp stellar brightening. Stellar brightening can be caused by ... read more
Feb. 3, 2016 Astronomers have made the first direct measurement of the temperature of the large dust grains in the outer parts of a planet-forming disc around a young star. By applying a ... read more
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
Sep. 10, 2014 Astronomers have defined the 'Venus Zone,' the area around a star in which a planet is likely to exhibit the unlivable conditions found on the planet Venus. The research will aid Kepler ... read more
Oct. 30, 2013 Kepler-78b is a planet that shouldn't exist. This scorching lava world circles its star every eight and a half hours at a distance of less than one million miles - one of the tightest known ... read more
Dec. 20, 2011 Astronomers have detected two Earth-sized planets orbiting a distant star. This discovery marks a milestone in the hunt for alien worlds, since it brings scientists one step closer to their ultimate ... read more