Astronomers detect a laser-like signal coming from colliding galaxies 8 billion light-years away. A cosmic mystery.

After years of investments, African telescopes are emerging as global leaders in frontier astronomy. From South Africa’s MeerKAT capturing the universe’s most distant gigamaser to Ghana’s radio ...

Scientists believe this long stream of gas may have formed when several galaxies collided millions of years ago.

Despite years of debate and follow-up studies, an odd streak of cosmic light still defies a final explanation. Is it a giant ...

Scientists analyzing a gravitational-wave signal have discovered that a neutron star and black hole spiraled together on an ...

Most of the universe is not made of stars, galaxies, or beautiful glowing nebulae. Instead, the majority of it is what seems to be vast, silent emptiness. Huge cosmic voids stretching ...

Neutron star collision in merging galaxies reveals how cosmic destruction forges heavy elements like gold, offering clues to the universe's chemical evolution.

A recently detected flash of energy appears to have emanated from the wreckage of colliding galaxies, according to an international team of ...

A recently detected flash of energy appears to have emanated from the wreckage of colliding galaxies, according to an ...

Billions of light years away in a remote part of the universe, two neutron stars—the ultradense remnants of dead stars—collided. The catastrophic cosmic event sent light and particles, including a ...

The Andromeda Galaxy, the nearest major galaxy to the Milky Way, is slowly moving toward us at incredible speed. Astronomers ...

Astronomers using the MeerKAT telescope discovered a hydroxyl megamaser in a galactic merger 8 billion light-years away, amplified by gravitational lensing and operating at radio wavelengths.