Universe

Astronomers will shine a light on the universe’s 'dark ages' with a telescope on the Moon

How do you see a time when light didn't exist?

By Cassidy Ward | 

1 week ago

NASA captures the whole universe in illuminating decade-long timelapse

Play that again.

By Cassidy Ward | 

5 months ago

What reionized the Universe, and when?

New observations may tell us when the cosmos became transparent.

By Phil Plait | 

6 months ago

Particle accelerator reveals the early universe’s mysterious X particles

These particles could change our picture of how the early universe evolved.

By Cassidy Ward | 

1 year ago

Ever wonder why the universe exists? Bizarre cosmic Q balls might have the answer

So this might be why the universe didn't self-annihilate right after the Big Bang...globs of quantum fields.

By Elizabeth Rayne | 

1 year ago

Beautifully dying stars and the scale of the Universe

By Phil Plait | 

1 year ago

Measuring the expansion of the Universe: Dying stars may be telling us we're doing it wrong.

By Phil Plait | 

1 year ago

When the Universe makes no sense, look at a pretty galaxy

By Phil Plait | 

1 year ago

A moment of the Universe

By Phil Plait | 

1 year ago

Methuselah's Star is not older than the Universe after all. But it's still pretty frakking old.

By Phil Plait | 

1 year ago