When NASA's Nancy Grace Roman Space Telescope launches in October 2026, it won't just be peering into the distant universe to ...

Extraordinary claims require extraordinary evidence,” Carl Sagan once warned a maxim now resonating through telescopes worldwide as astronomers grapple with a mind-bending new discovery. The James ...

A monster galaxy from the early universe shows that the cosmos was rich with oxygen when it was only less than 3% of its ...

There are several candidates for the biggest star in the universe. One of them, VY Canis Majoris, is over 1,500 times the ...

NASA's James Webb Space Telescope has potentially identified 300 ancient objects, possibly early galaxies formed shortly ...

Images taken with the MIRI infrared camera on the James Webb Space Telescope (JWST) have made it possible to observe the ...

Astronomers searching for some of the universe’s first galaxies have uncovered a surprising case of mistaken identity.

The idea suggests that a parallel universe that mirrors our own could explain the existence of dark matter, one of the ...

Nestled within a tiny red galaxy, it dates back 13 billion years -- just 500 million years before the Big Bang -- and shows ...

Celebrate National Space Day 2025 with creative captions and slogans honoring space exploration. Discover inspiring ideas to ...