Scientists studying five years of data from the Fermi Gamma-ray Space Telescope have found the first gamma-ray variable pulsar. But is it really what it seems?
The distant universe looks a little clearer, thanks to tens of thousands of citizen scientists who classified more than 6 million images over three days.
Using an entire galaxy as a lens to look at an object in the far distance, researchers are learning more about powerful jets emitted when matter falls into a black hole.
This time of year, children who know their physics may start to question if Santa could possibly be real. As symmetry pauses for the holidays, we offer this thought experiment to put their hearts at ease.
