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

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

This Star Trek concept ignited a dream that humans could one day travel faster than the speed of light. Now physicists are ...

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

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

A neutrino sensor array, ARCA, lines the Mediterranean seafloor near Sicily. A physicist took ARCA’s first huge win to a warm ...

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

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

A team of astronomers believe they may have found the most "pristine" star in the universe to date. According to the team, the gas that formed this star may have come from an elusive "population III" ...

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 ...

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