One of the most powerful black holes in the observable universe has been revealed by NASA's Chandra X-Ray Observatory.
From galaxies to moonrises, the Astronomy Photographer of the Year images offer stunning views of the universe.
The atmospheric imaging assembly has captured a shot of the sun every 12 seconds, in 10 different wavelengths, for the past three years.
While we typically think of black holes as death pits from which nothing can escape, recent studies suggest black holes play a pivotal role in creating stars. Could one have created our sun?
By using the world's preeminent telescopes, astronomers peer behind a curtain of dust to find a giant star-making factory known as "Sparky."
Behold the best look yet at a massive intergalactic train wreck in progress. It's also a glimpse at what the universe looked like when it was only half its current age.
In northern California, the SETI Institute has to shut down its systems because of wildfires near its telescope array.
At the best of times, Jupiter's moon Io is a turbulent, torturous place. But last August, scientists say things really heated up.
You can find out how old a baby star is simply by listening to it, say researchers at Europe's KU Leuven.
A recently discovered and very unusual white dwarf star is so chilled out, it is essentially a giant floating piece of bling.