The largest of three newly found ring shaped structures in the cosmos are almost a million light-years across.

Scientists have blown stargazers’ collective minds after discovering a massive dark object in space that’s completely ...

What is the biggest object in the universe? Learn more about the biggest objects in the universe, including galaxies, galaxy clusters, and dark matter.

Scientists using a global array of radio telescopes have detected the universe’s lowest-mass dark object by observing how it warped light through gravitational lensing. The invisible mass, about a ...

Astronomers have detected one of the darkest objects ever seen at a record cosmic distance—only with the assistance of ...

The team is the first to detect hydroxyl (OH) gas, a chemical fingerprint of water, emanating from 3I/ATLAS.  Scientists find water signature on enormous interstellar comet 3I/ATLAS is the third ...

Astronomers have detected a mysterious dark object in the distant universe — and its size has them fascinated.

A Flowerlike satellite has “bloomed” in outer space, unfolding to reveal the largest radar antenna reflector ever put into orbit. The NASA-ISRO Synthetic Aperture Radar (NISAR), a joint project ...

Two more of NASA's space telescopes recently got another look at comet 3I/ATLAS, a captivating interstellar interloper that first captured the world's attention in July. The object – just the third ...

Astronomers have made an exciting breakthrough in the search for the universe’s most mysterious substance—dark matter. They ...

Dark matter is an enigmatic form of matter not expected to emit light, yet it is essential to understanding how the rich ...