gravitational lensing

Astronomers find dark matter from 12 billion years ago

New method sees unprecedentedly far back in the history of the Universe.

By Phil Plait | 

1 month ago

This galaxy was already grown-up and spinning 13.3 billion years ago!

JD1 shows signs of coherent rotation when it was less than 500 million years old.

By Phil Plait | 

2 months ago

Hubble spies what may be a rogue black hole just 5,000 light years away

The problem is we're not sure it's really a black hole.

By Phil Plait | 

3 months ago

Hubble sees the farthest star in the Universe

A gravity assist helps the 'scope see a star 12.9 billion light-years away.

By Phil Plait | 

6 months ago

Astronomers find the first rogue black hole wandering the Milky Way!

If confirmed, it's the first isolated stellar-mass black hole ever found.

By Phil Plait | 

7 months ago

Galactic death: Some galaxies hit the gas, live fast, and die young

By Phil Plait | 

12 months ago

The Molten Ring Galaxy is blasting out a trillion suns worth of infrared radiation

By Phil Plait | 

1 year ago

Space warp puts a supernova on cosmic repeat

By Phil Plait | 

1 year ago

Hubble spies a quintuple quasar… except it's a cosmic mirage

By Phil Plait | 

1 year ago

Magnificent Hubble image of a cluster warping space and stripping gas

By Phil Plait | 

1 year ago