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 ...

The agency’s PUNCH mission caught a ride to Earth orbit with SPHEREx, which will map the entire sky to learn more about what happened in the first second after the big bang. NASA’s newest astrophysics ...

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 ...

Here’s what you’ll learn when you read this story: A new paper adjusts an equation that defines our universe in response to recent new data. The cosmological constant, which describes how our universe ...