Dark matter is so pervasive throughout galaxies that its presence explains the stability and motion of stars in systems such as the Milky Way. For example, current models indicate that our galaxy is ...

See composite views of the Cartwheel Galaxy captured by the James Webb Space Telescope. The galaxy is 500 million light years ...

The Hubble Space Telescope captures stunning imagery of barred spiral galaxy UGC 678. The galaxy is located about 260 million ...

"These galaxies are very old, which means stars were being formed in the early universe, earlier than our current models predict." ...

How did a little girl born in India soon after its independence from the British Empire, become a program scientist for ...

A fluffy cluster of stars spilling across the sky may have a secret hidden in its heart: a swarm of over 100 stellar-mass ...

How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...

Scientists have long suspected that active supermassive black holes can kill their own host galaxies, but new research suggests these cosmic titans are more like serial killers that can extend their ...

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