corresponding to a time when the Universe was less than a billion years old. The Red Monsters Among the sample, three galaxies stood out for their extraordinary mass and rapid star formation.

Mars will appear to make an ultraclose approach to the moon on Sunday, after Jupiter had a turn earlier this week. Here's how to get the best view of the rare conjunction.

"This is how you solve the universe-breaking problem." ...

Early data of “little red dots,” or LRDs, from the James Webb Space Telescope (JWST) appeared to suggest the presence of galaxies too massive to exist in our modern cosmological models.

The results indicate that star formation in the early Universe was far more efficient than previously thought. They challenge existing galaxy formation models. The study is published in Nature.

A new study by NASA’s Chandra X-ray Observatory and the European Space Agency’s XMM-Newton highlights the challenges planets face when orbiting red dwarf stars, the most common type of star in the ...

The most massive stars expand to form red supergiants ... to be a main sequence star for billions of years. All the naturally occurring elements in the Universe are produced by nuclear fusion ...

Marvel has been teasing that the new Ultimate Universe phase two will unleash ... “You might notice that there’s a Red Star on his costume and you might wonder why,” he teased.