Strange signals picked up by the radio telescope pointed towards the stars in Parkes, Australia have a rather more mundane origin.
Each year NASA's Earth Observatory picks enlightening or incredible images of our planet taken from space and has the public vote on them in Tournament: Earth. Here are Crave's favorites.
The Solar Dynamics Observatory celebrates five years of sun-worshipping by releasing its impressive 100 millionth image of our closest star.
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.
Gravitational lensing has produced a spectacular ring from a starburst galaxy nearly 12 billion light-years from Earth.
Whether it's a massive wind farm dotting an otherwise empty ocean or fresh lava doing battle with a huge ice cap, NASA's Earth Observatory has captured some remarkable views of our planet.
Rocky planets that orbit a binary star system, like the fictional home of Luke Skywalker, were thought to be impossible, until now.
It takes a mighty wind to keep stars from forming. Researchers have found one in a galaxy far, far away -- and NASA made a short movie about it.
Astronaut Terry Virts has been on the ISS since December, taking video. Luckily for us, he likes to share.