A vast, flat sheet of dark matter may solve the long-standing mystery of why our neighboring galaxy Andromeda is speeding ...

A very rare and beautiful occurrence of two galaxies has again made headlines with the re-emergence of a picture taken by the ...

In a world that often measures itself in days, years, decades and centuries, a second seems insignificant. But a lot can happen in an instant. It takes a lightning bolt just 30 microseconds to strike ...

Quasars are the bright cores of some distant galaxies that are powered by supermassive black holes, releasing huge amounts of radiation. Both quasars and galaxy mergers used to be far more common, ...

Add Yahoo as a preferred source to see more of our stories on Google. A languid spiral galaxy appears draped against deep space in a stunning new image from the European Space Agency’s Euclid ...

If you've ever wanted a better look at deep space, you now have your chance. A treasure trove of data collected by the James Webb Space Telescope is now available for public consumption. Included with ...

10 supernova explosions have been seen brightening the Fireworks Galaxy over the past century. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Some galaxies in the early universe were absolute powerhouses, churning out stars at rates that would dwarf the Milky Way's ...

Deep in the constellation Canes Venatici, also called the Hunting Dogs, lies the dwarf galaxy NGC 4449. It's part of the M94 galaxy group, near a group of galaxies to which our Milky Way belongs. In ...

This image, taken with the Atacama Large Millimeter/submillimeter Array (ALMA), shows the molecular gas content of two galaxies involved in a cosmic collision. The one on the right hosts a quasar –– a ...