NASA's flagship space telescope captured flares from the disk of superheated material around the black hole, revealing the dynamic—and explosive—physics at our galaxy's core.

Sagittarius A*, our galaxy's supermassive black hole, is constantly producing strange eruptions. Astronomers are using the ...

A new image from the Hubble Space Telescope shows a cosmic cloudscape, with clouds of dust and gas swirling in beautiful colors.

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The supermassive black hole at the center of the Milky Way appears to be having a party—and it is weird, wild and wonderful.

A bill would make it a crime to produce, manufacture, buy, or sell the products, sometimes called whippets, for the prohibited uses.

The US is overstretched, militarily and financially, and it can no longer take care of both a European and a Pacific front ...

New findings explain the Phoenix cluster's mysterious starburst. Data confirm the cluster is actively cooling and able to generate a huge amount of stellar fuel on its own.