Scientists now worry artificial intelligence could hollow out astrophysics long before machines actually replace human ...

Asteroid Irene is nearly at at opposition and high in the south late tonight and overnight, near the center of the Milky Way.

Active galactic nuclei (AGNs) occur when supermassive black holes are surrounded by vast amounts of gas and dust that swirl ...

About 1.3 billion light-years away, two massive black holes had merged, and the resulting shockwave—a gravitational wave—was strong enough for LIGO to detect the moment it washed over Earth. Since ...

Comet McNaught recently underwent a major brightening event and is now passing closest to the Sun on its 5.5-year orbit.

In the summer of 1967, a 24-year-old PhD student at the University of Cambridge noticed something unusual hidden within ...

As SpaceX gears up to start launching orbital data center spacecraf, astronomers warn those satellites could cause serious ...

Starlink satellites have been developed by SpaceX to provide internet to remote locations. Here we explore the controversial ...

Emma Chapman's "The Echoing Universe" is a vivid survey of the hidden parts of the cosmos and those who seek them out.

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

As the full Moon sets, the Sun is about to rise on the opposite horizon. The Very Large Telescope (VLT) has already closed its eyes after a long night of observations. The extraordinary quality of ...