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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 ...

Astrophysicist Katy Clough uses supercomputers to simulate conditions at the start of the universe and other strong gravity regimes, such as around black holes, testing the limits of general ...

(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 ...

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 ...

Benjamin Wandelt, a pioneer at the intersection of cosmology, statistics, and artificial intelligence, is transforming how we extract fundamental physics from astronomical data. Driven by a deep ...

Astronomy Hubble revisits stunning Trifid Nebula after 30 years, and spots a growing jet of energy — Space photo of the week Cosmology 'The chances of you living 50 years are very small': Theoretical ...

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 ...