The universe exists because matter and antimatter are not good friends. Is there a scientific reason why the universe exists?

Astronomers using the James Webb Space Telescope (JWST) may have detected what could be the oldest galaxy ever observed, potentially reshaping our understanding of how quickly the early universe began ...

That cosmologists cannot agree on one of the most elementary facts about the universe is striking enough. But that uncertainty produces others, too: it makes it impossible to calculate an exact age ...

Her approach derives gravity directly from quantum information theory, potentially solving deep mysteries like dark matter and black holes.

An impossibly bright galaxy is forcing scientists to rewrite the rules of the Big Bang’s aftermath. Here’s what you’ll learn in this story: Scientists have found a remarkably small yet bright object ...

Our understanding of cosmology hinges on how well we know our own local universe, which remains poorly mapped and poorly ...

The Hubble Space Telescope is one of the most famous scientific instruments that has ever existed. It’s given the world an ...

Images taken with the MIRI infrared camera on the James Webb Space Telescope (JWST) have made it possible to observe the ...

What was the universe like in the first few hundreds of millions of years after it came into existence? How did the first ...

Only a fraction of the size of the Milky Way, these galaxies have thus far been too faint for most telescopes to spot.