Located around 600 million light-years from Earth, the black hole sat quietly in the dark space between stars.

Astronomers using NASA’s IXPE satellite have finally cracked a cosmic mystery—how X-rays are produced in the energetic jets ...

Quantum ideas describe particles and fields in tiny packages, but general relativity paints gravity as smooth curves in space‑time. Until now.

The blazar BL Lacertae, a supermassive black hole surrounded by a bright disk and jets oriented toward Earth, provided ...

Physicists propose that high-energy photon jets from collapsing stars may be secret factories of heavy elements like ...

Using the James Webb Space Telescope, astronomers have peered into galaxies that existed at cosmic noon to hunt ravenously ...

This gas needs an enormous amount of energy to shine — more than normal stars can supply. The discovery, based on data from ...

The latest discovery marks the first-ever "compelling clue" that a black hole may be present in the enigmatic galaxy, ...

Astronomers confirm a wandering black hole in our galaxy’s Sagittarius region using Hubble and Gaia microlensing data.

During its 35 years of orbiting the Earth, the Hubble Space Telescope ... existence of "dark matter," and helped track a vagabond black hole moving through the Milky Way. To celebrate the Hubble ...

Astronomers have discovered that "super-Earth" planets may exist on wider orbits than previously thought — and this implies these rocky, or "terrestrial," worlds are far more common than was ...

NASA has released the Lucy spacecraft's first close-up images of asteroid Donaldjohanson, revealing a peanut-shaped rock that could shed light on how planets formed in our solar system.