Joe MurchisonPlacerville, California Astronomers widely accept that the universe formed in theContinue reading "How can the visible universe be 46 billion light-years in radius when the universe ...

SPHEREx will explore the universe in 102 infrared colors, providing unprecedented insights into cosmic origins.

Launching by 2025, NASA’s SPHEREx mission will map hundreds of millions of galaxies in 102 infrared colors to investigate the ...

Then, a period of reionization, cleared away this foggy existence an introduced light into the universe. Now, an ...

There will be light, feebly, at the end. In all its forms—visible and invisible—it saturates the universe. Light is more than a little bit inscrutable. Modern physics has sliced the stuff of ...

Streams as ancient and colossal as Porphyrion may have contributed to some of the early universe’s features, says lead study author Martijn Oei, an astronomer at the California Institute of Technology ...

"Cosmologists calculate the current theoretical size limit of structures to be 1.2 billion light-years, yet both of these structures are much larger – the Giant Arc is almost three times bigger and ...