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

Harvard astrophysicist Avi Loeb suggests interstellar object 3I/ATLAS could be far more massive than previously thought.

The interstellar object 3I/ATLAS is thought to be roughly 7 billion years old, making it even older than our solar system.

So, where is the anomaly? According to Loeb, the mystery is why we haven't spotted many more interstellar objects before we ...

A 54-pound (25-kilogram) meteorite – the largest Martian rock ever found on Earth –is now the subject of an investigation in Niger. The meteorite fetched more than US$5 million (£3.71 million) at an ...

Using the European Southern Observatory 's (ESO) Very Large Telescope (VLT), astronomers have caught it pulling in gas and ...

NISAR, a giant orbiting antenna 39 feet in diameter, will monitor changes to glaciers, forests, and the Earth’s crust, providing data to help improve infrastructure and disaster responses.

Euclid mission has published the most extensive simulation of the cosmos to date. The modeling was based on algorithms ...

"To do the bread-and-butter part of our job, as a scientist, the numbers that you send out have to really be well-measured, well-understood," Ajhar said. "And that takes a lot of time." Original ...