How exactly did the universe start and how did these processes determine its formation and evolution? This is what a study published in Physical Review Research hopes to address as a team of ...

Pt. I, Stars, planets, and life : -- The size and scale of the universe -- From the day and night sky to planetary orbits -- Newton's Laws -- How stars radiate energy (I) -- How stars radiate energy ...

(via Sabine Hossenfelder) In a recently published paper, a group of physicists outlined a new theory which might explain why our universe contains solid matter. According to the paper, the universe ...

A new paper has predicted that the universe's expected lifespan is drastically shorter than once thought — and that the cosmos will start to die in just 10 billion years. This is only one possible ...

New data from major dark-energy observatories suggest the universe may not expand forever after all. A Cornell physicist calculates that the cosmos is heading toward a dramatic reversal: after ...