Scientists test the famous physicist’s predictions by calculating the distortion of time and space. Why is the expansion of ...

Roughly 400,000 years after the Big Bang, the universe cooled just enough to allow photons to escape from the primordial ...

There is a region of the sky where astronomers fear to look. Filled with dark clouds of dust, it hides an unseen mass. A mass ...

Written by the former chief historian of NASA, the book examines the evolution of our cosmic understanding—from early civilizations to the present day ...

A more colorful image of space will help us unravel the universe's mysteries NASA's ambitious SPHEREx mission will, for the first time, provide an unprecedented, colorful representation of the ...

The first piece of the Euclid space telescope's map of the universe is crammed with 14 million galaxies and 100 million sources of light. The mapping project is now 1% done.

This is just 1% of the map, and yet it is full of a variety of sources that will help scientists discover new ways to describe the Universe,” said Valeria Pettorino, Euclid project scientist at ...

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