Astronomers have been aware of cosmic vampires, dead stars that hungrily strip plasma from victim stars, for some time. New ...

Let’s explore this cosmic perspective together. How big is the universe? It’s a question that stirs both wonder and humility.

This most fundamental question was famously posited by none other than Nobel laureate physicist Enrico Fermi (1901–1954).

Earth and our entire Milky Way galaxy may sit inside a mysterious giant hole which makes the cosmos expand faster here than ...

To make the Moon look so large in the background, photographers need to use superzoom telephoto lenses of at least 1,000mm ...

Discover America’s wild side with 10 Stunning National Parks You Must Visit in the U.S—a travel-blogger’s countdown of the 10 ...

Scientists predict up to 100 invisible galaxies may orbit the Milky Way, hiding just beyond our current detection limits.

Researchers may have found our galaxy's missing companions, further bolstering science's most widely accepted cosmological ...

New supercomputer simulations suggest the Milky Way could be surrounded by dozens more faint, undetected satellite ...

The Milky Way could have many more satellite galaxies than scientists have previously been able to predict or observe, ...

Researchers stitched together hundreds of images from the Very Large Telescope to form a breathtaking photo of a nearby ...

New simulations suggest that dozens of ultra-faint “ghost” galaxies may be orbiting the Milky Way, hidden from current ...