If you want to see lots of galaxies, the prime time is spring – at that point, it’s possible to see deeper into the universe.

ReadingRoom resumes its literary coverage as Steve Braunias previews the most exciting books of 2025 The post 2025, the year ...

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

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

Astronomers compile a large sample of an unusual class of objects in an effort to connect the dots to the early universe.

A new way of measuring structures deep inside Earth has highlighted numerous previously unknown blobs within our planet's ...

The six planets will be visible in the days immediately leading up to Jan. 21, and for about four weeks afterward. Mars, ...