The universe's first galaxies were hot messes, according to a recent study. During their younger days, they were wild, ...

The Big Bang theory has dominated our understanding of the universe’s origin for almost 100 years. It describes a moment when ...

According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density – given that the universe contains a lot of relatively empty space, could ...

Evidence of this quantum layer may be coming soon. Here’s what you’ll learn in this story: Physicists are still puzzling over ...

He led a team of scientists who helped confirm that a Big Bang was the source of the universe. The discovery earned him a ...

Kenna Hughes-Castleberry is the Content Manager at Space.com. Formerly, she was the Science Communicator at JILA, a physics ...

Over the past seven decades, thousands of sophisticated spacecraft have been launched on ambitious missions to look down on ...

Theorists have found that a “warm” version of cosmic inflation is consistent with known physics, linking it to the hunt for ...

JWST observations show that early galaxies were chaotic, gas-filled systems rather than stable disks. Researchers from ...

Explore Terrifying Yet Beautiful Facts About Space and Us. WATCH OUR OTHER VIDEOS: ►25 Universe Theories That Will Keep You ...

Dark-energy evidence suggests the universe will end in a “big crunch” roughly 20 billion years from now. The universe is nearing the halfway point of what may be a 33-billion-year lifespan, according ...

In 1867, Lord Kelvin imagined atoms as knots in the aether. The idea was soon disproven. Atoms turned out to be something ...