According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density ...

The bright outflow jets of J0529 are being fed by a process called Super-Eddington Accretion, where an object exceeds its ...

The size of the universe depends on its shape, with possibilities ranging from finite and spherical to flat or even infinite.

If recent discoveries that dark energy is evolving hold any water, our Universe will collapse under its own gravity on a ...

Astrophysicists have presumed for nearly a century that the universe will just keep expanding for all eternity, driven by an ...

When Earth is opposite Mars from the sun, it will appear full because you’re looking directly on the daylit side. But ...

We’ve grown up with the idea that the universe will expand forever, meaning the "cosmological constant" is positive. What if it's negative?

A Cornell physicist calculated new data from dark energy reviews, indicating the end of the universe within a few billion years in the future.

Exoplanet hunters Christopher Watson and Annelies Mortier explain the long search for a 'twin Earth' capable of sustaining ...

On October 6 1995, at a scientific meeting in Florence, Italy, two Swiss astronomers made an announcement that would transform our understanding of the universe beyond our solar system. Michel Mayor ...

Three scientists who unravelled some of the deep mysteries of black holes, the awe-inspiring pockets of the universe where space and time cease to exist, have won the 2020 Nobel Prize in Physics.

Another, even rarer view is to see our planet from the surface of another world—something, in fact, that first occurred only in 2004, when NASA’s Spirit rover on Mars snapped an image of Earth in that ...