No telescope has basked in the night sky quite like the enormous new Vera Rubin Observatory. Here's what it could reveal about the universe.

The universe seems to be spinning, and that could explain what dark energy is and why it's weakening while revealing our ...

The largest cloud of energetic particles ever seen was recently discovered, revealing new clues about galaxy cluster evolution.

Astronomers have located a rare exoplanet on the edge of the Milky Way.

These cosmic filaments contain 12 trillion solar masses of 10-million-degree gas, helping solve the "missing matter" mystery.

Introdcucing the new Roger Dubuis Excalibur Monotourbillon Dr. Woo Episode III ✓ Prepare yourself for an imaginary ...

Galaxies shine in a rainbow of emissions from gas, dust, and stars. Each of these building blocks emits light at specific ...

The universe has two kinds of matter. There is invisible dark matter, known only because of its gravitational effects on a ...

These are incredibly powerful explosions in radio (waves) that last about a millisecond. We don’t know what’s producing them, ...

Astronomers have long thought that the Milky Way is headed for an inevitable crash with its neighbor, Andromeda. But a new ...

The Milky Way and the neighboring Andromeda galaxy are currently hurtling through space toward each other at a speed of about 250,000 miles per hour (400,000 kph), setting up a possible future ...

Astronomers have finally tracked down missing "ordinary" matter, which they discovered hiding as gas spread out in the vast ...