Whenever someone talks about black holes, they almost always talk about the event horizon and the singularity. After all, ...

Caltech’s Katie Bouman explains how the Event Horizon Telescope Collaboration captured the first imager of the Sagittarius A* ...

Centuries before anyone pointed a telescope at the sky, Isaac Newton figured out how gravity works. He showed that any object ...

The Event Horizon Telescope captured the first image of the Milky Way galaxy's supermassive black hole Sagittarius A* — our ...

Evidence of this quantum layer may be coming soon. Here’s what you’ll learn in this story: Physicists are still puzzling over ...

Theoretical physicist Alex Lupsasca is pushing for a space telescope to glimpse the thin ring of light that is thought to surround every black hole.

Einstein was a great thinker who made plenty of mistakes—errors that sometimes led to more meaningful discoveries in physics, ...

Researchers have believed that Segue 1, a puny galaxy orbiting the Milky Way just 75,000 light-years away, was packed with dark matter, a substance in space that doesn't shine or interact with light.

It’s possible that these objects might be the primordial beginnings of the supermassive black holes found in the centers of ...

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The November 2025 Supermoon, the year's brightest, will be visible on Wednesday, November 5. This event occurs when the full ...

The moon, just hours past its last quarter phase, will rise above the east-northeastern horizon shortly before midnight local time. Shining about 6 degrees to its right will be Jupiter, the largest ...