We don’t know for sure, but the answer is inextricably linked to the moment when water first materialized in the cosmos — and ...

At the big bang, matter was created from the initial energy when it cooled enough for particles to form. But how was space ...

A new study suggests that water first appeared in the universe just a couple hundred million years after the Big Bang — ...

SPHEREx, NASA’s latest astrophysics observatory, has launched aboard a Falcon 9 rocket alongside PUNCH, a mission studying solar wind. SPHEREx will create a 3D map of the universe, helping to uncover ...

A compact NASA space telescope that uses less power than a refrigerator is poised to chip away at that very large question.

A NASA telescope was launched into space from California on Tuesday for a mission to explore the origins of the universe and ...

“Before the first stars exploded, there was no water in the Universe because there was no oxygen,” said Daniel Whalen, a ...

The $488 million Spherex mission aims to explain how galaxies formed and evolved over billions of years, and how the universe ...

Called SPHEREx, the instrument will map 450 million galaxies and search for water molecules that may be clinging to space dust ...

Water might have formed much earlier than previously thought. Computer simulations show supernovae produced significant ...

NASA’s SPHEREx mission will survey the entire sky in 102 different “colors” of light, offering scientists an unprecedented ...

This hot, dense, nascent universe, under tremendous pressure, exploded outward, as described by the traditional hot Big Bang ...