Neutrino particles have extremely small masses, yet there are so many of them that they carve out the large-scale structure ...

Scientists have found a remarkably small yet bright object from the early universe that doesn’t make sense in our existing models of how stars and galaxies formed, even our own Milky Way. That means ...

Space has a way of making scientists throw out their textbooks. Just when astronomers think they understand how the universe works, a telescope captures something that doesn’t fit any existing theory.

Astronomers say a fleeting burst of energy from deep space may be the earliest supernova ever observed. The discovery is giving scientists an unprecedented look at how stars and galaxies behaved when ...

In astronomy, larger distances are both a blessing and a curse. They can cause issues like longer communication times, which also requires more powerful equipment, and positioning uncertainty that can ...

The James Webb Space Telescope observed the same region of sky captured in the famous Hubble Ultra Deep Field image, revealing thousands of distant ancient galaxies. Credit: ESA / NASA / CSA / G.

ALMA's 66 radio dishes reveal many cosmic secrets that are hidden from human eyes. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. High in ...

The Heart Nebula shines 6,000 light-years from Earth in the constellation Cassiopeia. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking ...