Astronomers reported Monday that the probability of the two spiral galaxies colliding is less than previously thought, with a ...

A collision between our Milky Way galaxy and the neighboring Andromeda galaxy, long considered inevitable, may be in question ...

More than a decade ago, scientists predicted our Milky Way galaxy and neighboring Andromeda would collide in four billion ...

A dam Riess was 27 years old when he began the work that earned him the Nobel Prize in Physics, and just 41 when he received ...

See composite views of the Cartwheel Galaxy captured by the James Webb Space Telescope. The galaxy is 500 million light years ...

Scientists have long puzzled over a discrepancy in how fast the universe is expanding, but new, sharper data from the James Webb Space Telescope may finally be solving the mystery. By refining ...

The Hubble Space Telescope captures stunning imagery of barred spiral galaxy UGC 678. The galaxy is located about 260 million ...

JWST has detected the earliest galaxies in the universe, but some look “more mature” than expected. Is it time to rethink how ...

In 1987, an enormous blue arc, thought to be hundreds of trillions of miles long, was first considered one of the largest ...