Not all stars are created equally. Astronomers believe that the first stars to form after the Big Bang were mostly made of ...

On human timescales, the universe may as well be eternal. It’ll be here long after our species and our planet are gone, but ...

A giant supermassive black hole (SMBH) that consumes the mass of the Sun a day has been found to be about one-fifteenth of its initially estimated size, which makes its rate of feeding even more ...

How old are the stars? Even with the most accurate tools currently available for modeling stellar evolution, the answer ...

Now, astronomers have found a star that may be as close as we’ve ever come to witnessing one of the primordial stars. Known ...

Ten years ago, scientists heard the universe rumble for the first time. That first discovery of gravitational waves proved a key prediction from Albert Einstein's theory of general relativity and ...

The younger black hole, the product of a cataclysmic cosmic event known as a black hole merger, was first spotted in 2019. Now, about 6 years later, a team of international researchers led by the ...

A star found in the Large Magellanic Cloud is remarkably unpolluted by heavier elements, suggesting it is descended from the ...

The Copernican Principle, named in honor of Nicolaus Copernicus (who proposed the heliocentric model of the universe), states ...