All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

Because we haven't found anything yet, we've started to wonder if dark matter might be lighter or heavier than we thought.

Ultra-faint dwarf galaxies, cosmic 'ghost towns,' offer new insights into the early universe and star formation.

Astronomers have unveiled surprising new details about a small galaxy, NGC 300, challenging existing theories on galaxy ...

In addition to helping the researchers nail down the nebula's ellipsoidal structure, the 3D model also confirmed that the ...

Trump will now be president again. It was a top-to-bottom collapse and failure by every major institution that got us here ...

Astronomers have been confounded by recent evidence that the universe expanded at different rates throughout its life. New ...

New research confirms the Universe is expanding faster than theoretical models predict, intensifying the Hubble tension.

A radio telescope in South Africa has unearthed a giant galaxy—dubbed a "cosmic megastructure"—with plasma jets that measure ...

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...