Monster black holes entered the cosmic scene soon after the Universe’s birth and grew rapidly, reaching millions or even ...

Physicists agree that an awful lot went on in the first few seconds after the Big Bang, a lot of it in incomprehensibly tiny ...

The Big Bang theory has dominated our understanding of the universe’s origin for almost 100 years. It describes a moment when all of space, time, and energy were born from a single infinitely dense ...

Cosmologists have traced the Big Bang’s earliest moments with great care, from the explosive inflation that set spacetime in motion to the period of newborn atomic nuclei known as primordial ...

"Our results will remain in astronomy textbooks for decades to come." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Scientists have found that ...

Astronomers have discovered a black hole so mind-bogglingly large, trying to get a grasp of how big it really is could induce an existential crisis. The latest, still-unnamed black hole is lurking ...

Milestone results released by the Large High Altitude Air Shower Observatory (LHAASO) on November 16 have solved a ...

Artist's impression of a microlensing event caused by a black hole observed from Earth toward the Large Magellanic Cloud. The light of a background star located in the LMC is bent by a putative ...