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

Scale in the universe is hard to understand from a purely human perspective. Many times, the math just doesn't sit well with ...

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 ...

Astronomy Photographer of the Year 2026 shortlist features eclipses, nebulae, aurorae and Milky Way images ahead of the ...

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 ...

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

Experts warn Elon Musk's satellites could 'end astronomy' and 'light up the night sky’. Astronomers have warned that Elon ...

Spread across a large swath of sky, the Coma Star Cluster is visible this evening for several hours after sunset, gorgeous in ...

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 ...