Comets are famous for having space tails. But they're not the only ones! Asteroids, planets, and even stars can rock tails of their own.

Some of the most exciting phenomena in space can’t be seen from Earth because our atmosphere soaks up high-energy light. That’s why NASA built Chandra, the most powerful X-ray telescope ever launched, and the observatory has helped...

The Chandra X-ray Observatory has discovered a black hole growing at a record pace. Credit: NASA/CXC/A. Hobart

NASA's Chandra X-ray Observatory team has released several 3D models of celestial onbjects that you can print. Credit: NASA/CXC/A. Hobart

NASA reports that astronomers have detected X-rays from Uranus for the first time, using its Chandra X-ray Observatory.