What happened in the first moments after the Big Bang? Why and how did our galaxy go through a dramatic disc flip? Our ...

Could our entire universe exist inside a gigantic black hole belonging to another universe? This video explores a speculative ...

Supermassive black holes at the centers of galaxies already existed in the very early universe. They grew by merging, but ...

Bright early galaxies may shine through dust cleared by hydrogen radiation. Explore how new calculations could explain Webb’s ...

New James Webb Space Telescope analysis says interstellar object 3I/ATLAS holds water ice blended with dark dust, and it ...

Johns Hopkins researchers searching the expanse of the universe for the existence of the first black holes are zeroing in on ...

This image from the NASA/ESA/CSA James Webb Space Telescope shows a portion of the Leo P dwarf galaxy (stars at lower right ...

When astronomers looked at photos of the early universe taken by the James Webb Space Telescope, they found something odd: an ...

Absolute zero is the coldest limit of ordinary temperature, where a system occupies its lowest available energy state. Gas ...

Crowded star clusters in the early Universe could have built giant stars, seeded black holes and fed the mysterious little ...

The model, created by researchers at the Center for Astrophysics, Harvard & Smithsonian, and other institutions, captures how ...

Models of dense star clusters seen by the James Webb Space Telescope suggest they could have formed intermediate-mass black ...