You might not have realized that sprites are real, but this new photo taken at the Paranal Observatory in Chile proves otherwise -- sort of.
An X-ray telescope designed to hunt for black holes takes a look at the sun and helps NASA deliver an intense portrait of our closest star.
Rallying back from a mechanical failure, the telescope helps confirm the existence of an exoplanet 2.5 times the diameter of Planet Earth.
The Hubble can only take images in black and white. Does this mean its gorgeous full-colour photos are "fake"? Well, actually... no.
NASA assembles a comprehensive picture of the universe, and it could go a long way toward teaching us how stars are formed.
For people who like dropping big bucks on phone accessories, the iPhone 5 Astronomical Telescope will turn your smartphone into a window on the universe.
A homemade binocular telescope, an HTC One, and 700 hours of work went into taking a single, spectacular moon shot. The photographer shares his secrets.
To celebrate Hubble's 24th birthday, the space agency released the infrared-light images of "a churning region of star birth" that is just 6,400 light-years from Earth.
The new planet, known as Kepler-413b, has an extremely irregular orbit that seems to move up and down. It also has no surface to stand on.
It's a real-life mystery cliffhanger. We've come up with a list of possible reasons a large crater on the biggest object in the asteroid belt looks lit up like a Christmas tree.