On the night of Oct. 5, 1923, Edwin Hubble observed a strange star that flickered in intensity at regular intervals. The star ...

Researchers analyze how long black hole, white dwarf and neutron stars take to decay to determine universe's age.

If ultimately true, the universe will reach its maximum size around 11 billion years from now. At that point, physics (and ...

The signal, seen for just 0.1 seconds, could be a sign of "another universe and connected to our universe through a throat" ...

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

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

Using observations from the James Webb Space Telescope, astrophysicists have spotted what they say is compelling evidence of ...

Sometimes, the simplest explanation is the best one," Professor Gupta said. "Maybe the universe’s biggest secrets are just ...

Modern cosmology reveals a universe expanding uniformly without a spatial center or edge. The Big Bang wasn't a localized explosion but a simultaneous ...

Wormhole researchers suggest that LIGO and Virgo instead picked up the signals of a black hole collision in a different ...

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

For science-fiction enthusiasts, that’s a bit depressing. Space is big, and while the speed of light is incredibly fast to us ...