This interstellar vagabond is only the third large interstellar visitor that we have ever discovered — an asteroid or comet ...

When 3I/ATLAS is closest to the Earth on Dec. 19, all the features that we are looking for will be easier to detect with our telescopes.

Astronomers using the James Webb Space Telescope report that a powerful gamma-ray burst detected in March may have been produced by the explosion of a massive star just 730 million years after the Big ...

"A bit like dinosaurs on Earth — they were enormous and primitive. And they had short lives, living for just a quarter of a ...

In a glimpse of the early universe, astronomers have observed a galaxy as it appeared just 800 million years after the Big ...

The first pulsar was discovered in 1967 by Jocelyn Bell Burnell. Finding these mysterious signals forever changed astronomy.

Interstellar comet 3I/ATLAS will make its closest approach to Earth on 19 December, offering astronomers a rare early ...

Yu-Jing Qin, a postdoctoral researcher at California Institute of Technology (Caltech), led a series of spectroscopic ...

An international team of astronomers has uncovered the most unmistakable evidence yet that the powerful jets launched by ...

U.S. National Science Foundation NOIRLab astronomers, using data from the James Webb Space Telescope and the Chandra X-ray Observatory, have discovered an early universe supermassive black hole ...

A supernova has been detected at an unprecedented cosmic distance. The explosion, designated SN in GRB 250314A, occurred when the universe was only about 730 million years old, placing it deep in the ...

The interstellar object 3I/ATLAS, passing near the Earth, will be at the minimum distance from the planet on Friday, December ...