Nowadays, the dark of night is interspersed with the light of stars. But before the stars were born, did light shine at the beginning of the universe? The short answer is "no." But the long answer ...

How did the universe come into being? There are a multitude of theories on this subject. In a Physical Review Letters paper, three scientists formulate a new model: according to this, inflation, the ...

NASA Launches Missions to Study Sun, Universe's Beginning PR Newswire WASHINGTON, March 12, 2025 WASHINGTON, March 12, 2025 /PRNewswire/ -- NASA's newest astrophysics observatory, SPHEREx, is on its ...

Was the Big Bang really the beginning of the universe, or are we 'bouncing' between periods of expansion and contraction? A new theory makes testable predictions. When you purchase through links on ...