Add Yahoo as a preferred source to see more of our stories on Google. Astronomers have identified what could be the largest structure ever observed in the known universe—a vast network of galaxy ...

Our best model of the cosmos has a glaring mathematical problem, but we may have found an answer.

Ordinary matter – basically, anything other than dark matter – makes up about 15% of all matter. But half of it has long been missing. Powerful bursts of radio waves emanating from 69 locations in the ...

A team of astronomers, led by Alexander Ji from the University of Chicago, has discovered the most pristine star in the known universe, called SDSS J0715-7334. The star belongs to the second ...

Astronomers have found a new record for the brightest body in the universe after discovering a monstrous quasar that shines roughly 500 trillion times brighter than the sun. The supermassive black ...

The James Webb Space Telescope has discovered a cosmic 'peanut' and 'fluff ball' that happen to be two of the four oldest galaxies in the known universe. Astronomers using the James Webb Space ...

Compared with the all-too-brief lifespan of 100 or so years for humans — and even less for most plants and animals — the age of the known universe is mindbogglingly long. Currently estimated to be ...

Update: NASA is now targeting a launch for Friday, March 7. Find the latest information on the mission here. How did the universe begin? How do planets form and galaxies develop? Could life exist ...

More than one million sources of energy are featured in the first X-ray images from the eROSITA space telescope. By Laura Baisas Published Feb 5, 2024 12:00 PM EST Add Popular Science (opens in a new ...

The Gemini Observatory has released the first color image of what astronomers are calling the most distant object ever seen in the universe. The object is what is known as a gamma-ray burst (GRB) ...

Astronomers using the James Webb Space Telescope (JWST) have discovered the oldest "dead" galaxy ever seen — but the cosmic corpse has left scientists puzzled as it defies explanation by our current ...