Sgr A*, at the heart of the Milky Way and clocking in at 4.3 million solar masses, is the closest supermassive black hole we have access to. It's also on the quiescent end of the activity scale, which ...

Supermassive black hole reactivates, emitting plasma jets New data sheds light on black hole’s unusual behavior since 2018 Potential white dwarf companion may explain black hole's activity ...

Hours before Jan. 19, after the Supreme Court upheld a law that would require TikTok be sold to a U.S.-held company in order ...

Rather than relying on a cheek swab or a little blood, however, these cosmic DNA tests utilize tiny ripples in the fabric of spacetime called gravitational waves, first proposed by Albert Einstein 110 ...

A remarkable black hole, located 270 million light-years away in the Draco constellation, has become the center of ...

Dec. 20, 2024 — One of the biggest mysteries in science -- dark energy -- doesn't actually exist, according to researchers looking to solve the riddle of how the Universe is expanding. For the ...

Black holes that have been obscured by clouds of dust still emit infrared light, enabling astronomers to spot them for the ...

A team that included University of Arizona astronomers captured the infrared image of the supermassive black hole using a Large Binocular Telescope Interferometer.

Astronomers compile a large sample of an unusual class of objects in an effort to connect the dots to the early universe.

MIT astronomers have been captivated by the strange behaviors of a supermassive black located 270 million light-years away, ...

Astronomers detected X-ray flashes from the black hole that increased in frequency from one every 18 minutes to one every ...