An astronaut living on the International Space Station has captured a spectacular view of Earth's volcanoes as they appear from high above the planet. [Full Story]
Astronomers have discovered what appears to be colossal belch from a massive black hole at the heart of a distant galaxy. The outburst was 10 times as bright as the biggest star explosion, scientists say. [Full Story]
NASA's Curiosity Mars rover has pulled out another item from its toolkit for the first time, using a brush to sweep dust off rocks, the agency announced today (Jan. 7). [Full Story]
The Nuclear Spectroscopic Telescope Array has captured a beautiful new image of the supernova remnant Cassiopeia A, located about 11,000 light years distant from Earth. [Full Story]
The serene Milky Way galaxy towers over Alamut Valley in Iran in this spectacular night sky photo. Amir H. Abolfath of The World at Night took this stunning photo from the Alborz Mountains of Iran in August 2010. [Full Story]
Astronomers have spotted a new component of the Milky Way galaxy's skeleton — a "bone" of dust and gas that contains about as much material as 100,000 suns. [Full Story]
A NASA space telescope snapped a new view of two oddball black holes shining ultra-bright in X-ray light in a distant spiral galaxy. NASA’s NuSTAR X-ray observatory spotted the bright black holes while observing the galaxy Caldwell 5. [Full Story]
A European space telescope has captured new images of the huge asteroid Apophis, revealing that the potentially hazardous object is actually bigger than previously thought — and you have a chance to see the space rock yourself in two free webcasts tonight (Jan. 9). [Full Story]
The serene glow of the pre-dawn sky Thursday (Jan. 10) proved the perfect setting for two stargazers to capture dazzling images of the crescent moon and Venus. [Full Story]
Astronomers have crowned the universe's largest known spiral galaxy, a spectacular behemoth five times bigger than our own Milky Way. [Full Story]
Astronomers have discovered the largest known structure in the universe, a clump of quasars 4 billion light-years wide. [Full Story]
The surface of the sun erupted in a solar flare early today (Jan. 11), unleashing a blast of super-heated plasma into space. [Full Story]