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.
The unmanned Messenger probe has completed its Mercury mission, going out with a bang.
One of the most powerful black holes in the observable universe has been revealed by NASA's Chandra X-Ray Observatory.
The sun engaged in some spectacular celestial fireworks this week when an enormous solar filament erupted out into space.
Images taken by NASA's Messenger spacecraft and released in the probe's final days use colour to reveal the mineral composition of Mercury's surface.
Comic "Modern Polaxis" has some nifty AR features for readers, but its creator decided to take it a step further and tattoo a scene straight from the book onto his forearm. If you're wondering if AR still works via tattoo, it does -- and it looks epic.
On today's show, we geek out over a comic book tattoo animated with the help of AR, discuss the HoloLens demos at Microsoft Build 2015, and admire the special new elevators at the One World Observatory in New York City. #TDTat
From galaxies to moonrises, the Astronomy Photographer of the Year images offer stunning views of the universe.