Such an exponential expansion may seem minor, but it is equivalent to a grape in the palm of your hand swelling to become ...

The ‘inflationary’ model of cosmology explains many large-scale features of the Universe as the result of a primordial period ...

Theorists have found that a “warm” version of cosmic inflation is consistent with known physics, linking it to the hunt for ...

How did the universe come into being? There are a multitude of theories on this subject. In a Physical Review Letters paper, ...

Researchers have unveiled a new model for the universe’s birth that replaces cosmic inflation with gravitational waves as the ...

In the decades since Maldacena proposed the idea, physicists have used this power to address questions about whether black holes destroy information, to better understand an early epoch in the ...

The model questions the popular inflation theory, which most experts believe was facilitated after the universe's birth. The ...

So much happened in the earliest moments of the universe. Elementary particles appeared, the first nuclei of hydrogen and ...

For decades, astronomers have listened to the cosmos through pulsars — rapidly spinning neutron stars that emit perfectly timed radio pulses. These “cosmic clocks” are so precise that even a tiny ...

A new theoretical study proposes that light from distant galaxies could be slightly shifted in color by interactions with ...