SPHEREx's new images — containing roughly 100,000 points of light stars, galaxies and nebulae — have confirmed that the ...

Scientists using the James Webb Space Telescope have identified an ancient and faraway galaxy that provides evidence that an ...

The universe's contents include ordinary matter as well as dark matter and dark energy. Ordinary matter - stars, planets, gas ...

Within the first billion years after the Big Bang, during the universe-wide event known as reionization, the intense energy ...

The clearest and most precise images yet of the universe’s infancy from the Atacama Cosmology Telescope show the first steps toward the first stars and galaxies.

The detection is prompting astronomers to rethink how quickly stars and galaxies formed in the young universe.

All the naturally occurring elements in the Universe are produced by nuclear fusion reactions in stars. For example, beryllium and carbon nuclei can be produced from helium nuclei: During the ...

But we know that, in the beginning, the universe was a cosmic desert, with not a drop to drink. That changed about 100 million years after the big bang as the first stars in the universe flickered ...

"Planetary-mass objects don't fit neatly into existing categories of stars or planets ... object," designated SIMP 0136 drifts through the universe around 20 light-years from Earth — and ...

The universe is expanding ... It starts with precise measurements of nearby stars and extends to more distant galaxies, including those hosting Type Ia supernovae — exploding stars that shine ...