New research challenges the idea the Milky Way and Andromeda galaxies will collide, reshaping our understanding of galactic ...

A possible new dwarf planet has been discovered at the edge of our solar system, so far-flung that it takes around 25,000 ...

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

How fast is the universe expanding? This is what a recent study published in The Astrophysical Journal hopes to address as a ...

Astronomers have revealed that our Milky Way galaxy has a 50/50 chance of colliding with its massive neighbor, the Andromeda ...

Dozens of NASA's missions to explore the cosmos could be in jeopardy under a budget proposal from the Trump administration.

Dozens of NASA's spaceflight missions that launched from Florida could be in jeopardy under a budget proposal from the Trump ...

This NASA/ESA Hubble Space Telescope image features a luminous tangle of stars and dust called the barred spiral galaxy NGC ...

Webb takes a closer look at Abell S1063, a distant galaxy cluster that acts like a cosmic lens, peering into the universe’s ...

James Webb telescope helped solve a decade-long mystery about the universe’s expansion rate, shedding new light on the cosmic ...

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 ...