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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.

The controversy endures over Pluto's true status, but the solar system underdog continues to capture hearts across the globe.

While the events observed around Sgr A* are dramatic, this black hole is not as active as some at the center of other ...

By looking ever further back in time, the James Webb Space Telescope is at last revealing the first galaxies – and a very ...

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

Lobster-eye satellite Einstein Probe captured the X-ray flash from a very elusive celestial pair. The discovery opens a new ...

A newly discovered star system in the heart of the Milky Way is moving at unprecedented speeds. Scientists believe this ...

Engaging articles, breathtaking images and expert knowledge Issues delivered straight to your door ...

Using NASA's James Webb Space Telescope, Northwestern astrophysicists gained the longest, most detailed glimpse yet of the supermassive black hole at the center of the Milky Way.

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