A team of astronomers including George Washington University physics Ph.D. student Eliza Neights recorded an extraordinary ...

Galaxy clusters are the most massive objects in the universe held together by gravity, containing up to several thousand ...

"This observation also demonstrates that we can use Webb to find individual stars when the universe was only 5% of its ...

Astronomers have spotted the longest gamma-ray burst ever seen, a cosmic explosion that lasted seven hours — and they ...