When discussing the scale of the universe, we’re immediately faced with an intriguing question: are we tiny beings, or is the ...

“The cosmos is also within us, we're made of star-stuff. We are a way for the cosmos to know itself.” - Carl Sagan Compared to the Sun, how big is the Earth? What is a scale model and how does it help ...

"We showed that a void model is about one hundred million times more likely than a void-free model." Earth, its cosmic home the Milky Way, and even the very local region of universe around us could be ...

A faint radio "whisper" from ancient hydrogen reveals the universe was heating up long before it filled with starlight.

The early universe was already warm before reionization, revealing that the first stars did not flicker on in an icy cosmos.

A new study predicts the Universe will stop expanding in 11 billion years and collapse in a "Big Crunch" around 20 billion ...