Scientists just found something wild — a kind of cosmic tunnel leading out of our Solar System. It’s not a spaceship tunnel, ...

The interstellar comet 3I/ATLAS will make its closest approach to Earth on December 19, and will be visible with binoculars or a small telescope, posing no threat to Earth.

Interstellar comet 3I/ATLAS makes its final pass by Earth this week. Its speed of 137,000 mph and unique chemical makeup have put planetary experts on high alert.

Cosmologists have long treated black holes and the Big Bang as separate extremes of physics, one swallowing light, the other ...

From the meteor showers to super moons, this time of year gives us a front row seat to one of the most active regions of the ...

NASA Reveals New Images Showing Black Holes Shaping Galaxy Clusters (Image: X-ray: NASA/CXC/Univ. of Chicago/H. McCall; Image processing: NASA/CXC/SAO/N. Wolk) NASA has released a stunning new set of ...

NASA's Chandra X-ray Observatory has revealed stunning cosmic structures within galaxy clusters, like bubbles and waves, formed by superheated gas and black hole activity. A new technique, ...

A novel "X-arithmetic" technique reveals how black holes shape the universe's largest structures. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

The big picture: NASA's James Webb Space Telescope recently managed to capture imagery of the oldest and farthest known supernova explosion – an event that occurred when the universe was just 730 ...

Asteroid 2024 DW flew about 139,000 miles (224,000 km) away from Earth. The space rock was estimated to be about 43 feet wide (13 m). Credit: Space.com | animation: NASA/JPL-Caltech | edited by Steve ...

Ernie Wright, a science visualizer at NASA, explains why the moon turns red during a lunar eclipse. Wright also explains how the eclipse would look from the moon in this interview with Space.com's ...

A grand-design spiral galaxy, named Alaknanda, was discovered forming approximately 1.5 billion years after the Big Bang, challenging previous astrophysical models on the timescale required for ...