Probing the dawn of the cosmos for clues to how the first galaxies and supermassive black holes formed is no easy feat ...

Each year, the Royal Observatory Greenwich in London invites photographers from across the globe to submit their finest shots ...

The 1.7 million satellites that companies are aiming to launch into Earth's orbit in the coming years will have "devastating ...

Astronomers have detected radio signals coming from a long-dead neutron star known as the 'Blue Eye Pulsar' after searching ...

An image shot on a handheld Nikon during the recent Artemis II lunar mission has revealed new insights into the evolution of ...

Looking for a sky event this week? Check out our full Sky This Week column. July 6: Catch the sparkling Coma Star Cluster ...

The Bullet Cluster is considered important evidence for the existence of dark matter. Now a research team believes it can ...

Looking for a sky event this week? Check out our full Sky This Week column. July 3: Glimpse the Milky Way's center Mars ...

Data access, or the availability of new and archival data for use by other scientists and the public, is key to scientific advancement. How data is presented, searched, and formatted determines ...

Read Space & Astronomy on The Wall Street Journal ...

769 photographers and astronomers from 66 countries submitted more than 4,000 images to this year's competition.

The plans to swarm Earth with huge, extremely bright satellites represent an “existential threat” to telescopes viewing the ...