M87* and Sag A*. The fact that we can capture such images is remarkable, but they might be the only black holes we can ...

The "Cosmic Grapes" galaxy formed just 900 million years after the Big Bang, revealing a never-before-seen structure.

A Simon Fraser University cosmologist believes his team's new research may bring them a step closer to cracking one of ...

An extremely early Type II supernova explosion, named after the Titan goddess of dawn in Greek mythology, occurred just 1 ...

Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.

After the Big Bang, the Universe entered a long, dark period before the first stars formed. During this era, hydrogen emitted a faint radio signal that still echoes today. New simulations show this ...

Known as dinosaur stars for both their primeval nature and their immense size, Population III stars existed only when the ...

The closure of NASA's largest research library at Goddard Space Flight Center represents a deliberate attack on scientific ...

The National Oceanic and Atmospheric Administration is predicting a G4-level geomagnetic storm after a long-duration solar ...

Astronomers used to rely on chance to catch a glimpse of fleeting explosions in space. A fresh approach to watching these ...

The James Webb Space Telescope has delivered its clearest view yet of a supermassive black hole's immediate surroundings, ...