The Universe still holds many mysteries, and among the most intriguing are these invisible components known as dark matter and dark energy. For decades, astronomers have estimated that ...

Gene Roddenberry's known for Star Trek, but his 5-season series Andromeda is back on streaming and a perfect binge.

A consensus is emerging that the dots, sometimes called rubies, are an entirely new type of cosmic object in the Universe.

Pulsars could be helping scientists distinguish between gravitational waves caused by supermassive black hole collisions and ...

Artist’s interpretation of two massive black holes (MBHs) within a galaxy. A tidal disruption event unfolds around the MBH ...

The month is packed with skywatching highlights—including two galaxies visible to the naked eye and a rare glimpse of the innermost planet. A cormorant crosses the face of the full moon in ...

Scientists have been using complicated, hypothetical particles to explain the Big Bang, but this theory posits that a simpler ...

Reionization is thought to have been driven by ultraviolet light produced by both early stars and active galactic nuclei ...

A newly discovered odd radio circle in space could serve as a time capsule for the violent events that shape galaxies.

To answer Robertson: The Higgs field doesn’t appear to have more valleys to explore, according to our current understanding.

On human timescales, the universe may as well be eternal. It’ll be here long after our species and our planet are gone, but ...

New observations from the James Webb Space Telescope hint that the universe’s first stars might not have been ordinary fusion ...