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

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

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

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

Multi-million-dollar investment advances scientific instrument development and supports critical milestone toward completion of one of the world's most powerful telescopes ...

The study was published in Astronomy & Astrophysics in June by a researcher who has been working on ways to reduce the impact ...

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

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

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

A new European Southern Observatory (ESO) study has found that current proposals to launch more than 1.7 million satellites into orbit, including extremely bright ones, would have "devastating ...

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

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