Planetary systems such as our solar system take hundreds of millions of years to evolve. Since humanity has only existed for a sliver of that time, astronomers have only observed planetary systems at ...

Getting an up-close view of life at the cellular level can be as simple as placing onion skin under a microscope and adjusting the knobs. Peering deeper, into the heart of the atoms within, isn't as ...

Six of Earth’s neighboring planets are about to come into view at once — here’s how to use optics to get the most from the ...

A burst of light in the deep sky is doing something it should not be able to do. It looks like one supernova, but it shows up ...