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

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 ...

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

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 ...

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

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

To find out what is beyond space, a good place to start would be to figure out where space – our universe – ends. The problem is we don’t know where space ends, or even if it ends at all.

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

The upcoming launch of NASA's powerful James Webb Space Telescope should let astronomers see what some of the universe's first stars and galaxies looked like soon after the Big Bang.