For more than ten years, astronomers have observed an enigmatic gamma glow coming from the heart of our Milky Way. Known as ...

An observatory in Chile is taking a timelapse of the sky over the Southern Hemisphere to help scientists measure the ...

In the 1970s Vera Rubin, an American astronomer, found that galaxies rotate at a speed that should cause them to break apart.

Dark matter accounts for 85% of the matter in the universe, but scientists still do not know what it is made of. A study, ...

For those who see the world as a dark place, the universe seems to offer little solace. According to current estimates, ...

The world's most powerful particle accelerator will shutter operations Monday for four years of renovations to dramatically ...

Add Yahoo as a preferred source to see more of our stories on Google. Black hole, dark matter, periodic table of elements Photo illustration by Salon/Getty Images When wading into the murky realm of ...

After decades of hunting, physicists still don’t know what makes up most of the universe’s matter. Now they need to cast a wider net.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Dark matter, the mysterious substance that makes up roughly 80 percent ...

The central question in the ongoing hunt for dark matter is: what is it made of? One possible answer is that dark matter consists of particles known as axions. A team of astrophysicists has now shown ...

Maybe dark matter talks to itself, according to a new proposal, and that might just explain two cosmological mysteries at once. Dark matter is the name astronomers give to the mysterious substance ...