Flares of light have been observed in a disk orbiting the black hole Sagittarius A*, according to a team of astrophysicists studying the black hole who published their findings Tuesday in The ...

Black holes are invisible, yet they are among the brightest things in the universe. If a star wanders too close to a black hole, it gets torn apart in a fireworks show called a tidal disruption ...

Flaring hot spots that resemble solar flares are seen in the disk. A supermassive black hole in the center of the Milky Way galaxy is creating a light show that's intriguing astronomers.

For millions of Americans celebrating Independence Day, the 4 th of July concludes with the noisy, colorful spectacle of a professional fireworks show. But in many parts of the country—and at ...