Astronomers using the James Webb Space Telescope (JWST) keep finding the same impossible thing: ancient supermassive black holes; monsters millions of times the sun’s mass, existing when the cosmos ...

Cosmic radio pulses repeating every few minutes or hours, known as long-period transients, have puzzled astronomers since ...

As gas falls toward a black hole, it heats up and shines. If the glow becomes intense enough, it can push incoming gas away. Astronomers call this balancing point the Eddington limit, and for decades ...

Researchers are using X-rays to discover invisible markings left on ancient parchment containing information from the Greek ...

Astronomers have discovered powerful magnetic fields steering gas, dust, and star formation in a dramatic galaxy merger.

Astronomers using the Event Horizon Telescope (EHT) have uncovered a major clue in the mystery of how black holes produce ...

Over decades, he’s changed how his peers view the heavens. Space isn’t just an endless canvas to be studied at leisure, he ...

Using the world's most powerful particle accelerator, CERN's Large Hadron Collider, scientists have discovered that the ...

Alexander Venner picked his way by hand through the data collected by a now-retired NASA telescope called Kepler, which examined the sky for exoplanets ...

The James Webb Space Telescope has confirmed the most distant, early galaxy in the known universe. The new contender, MoM-z14, is visible just 280 million years after the Big Bang.

A 3,000-light-year cosmic jet erupts from M87*, the first black hole ever imaged, offering a rare view of black hole activity from the galaxy Messier 87 ...

Astronomers detected radio waves from a rare exploding star, revealing what happens in the final years before a massive star dies.