The James Webb Space Telescope peered into one of the universe’s oldest galaxy clusters, and scientists can’t explain what they saw
The James Webb Space Telescope peered into one of the universe’s oldest galaxy clusters, and scientists can’t explain what they saw

Using the James Webb Space Telescope, astronomers have spotted a massive and densely packed galaxy cluster at “cosmic noon” before such structures were thought to be possible.

Japanese probe set for super-close flyby on July 5: ‘We’re going to discover another beast to put in the zoo of asteroids’

Having already delivered samples of the asteroid Ryugu to Earth, Hayabusa2 will soon attempt one of the closest, riskiest space-rock flybys in spaceflight history.

Strange glowing ‘bow-and-arrow’ structure may be a giant cosmic shock wave created by a supersonic galaxy collision
Strange glowing ‘bow-and-arrow’ structure may be a giant cosmic shock wave created by a supersonic galaxy collision

A bizarre “bow-and-arrow” radio galaxy nearly 1.8 million light-years across could reveal how galaxy clusters sculpt some of the universe’s largest structures.

Black hole’s ‘point of no escape’ studied with the loudest gravitational waves ever heard
Black hole’s ‘point of no escape’ studied with the loudest gravitational waves ever heard

The loudest crash of gravitational waves ever heard provides an intriguing way of studying event horizons, the boundaries at which nothing can escape the grip of these cosmic titans.

Two ‘super-puff’ cotton candy exoplanets are the lightest gas giants ever discovered
Two ‘super-puff’ cotton candy exoplanets are the lightest gas giants ever discovered

Astronomers have discovered two “super-puff” exoplanets orbiting the same star that have densities lower than cotton candy, making them the lightest worlds ever seen.

James Webb Space Telescope catches 6 galaxies merging into one of the largest galaxies in the universe

A supermassive black hole is also coming together at the heart of this galaxy maelstrom.

A SpaceX rocket will slam into the moon this August. Will we be able to see it?
A SpaceX rocket will slam into the moon this August. Will we be able to see it?

A spent SpaceX Falcon 9 upper stage is set to impact the moon this August, but experts aren’t sure if the crash will be visible from Earth.

Summer solstice seen from space | Space photo of the day for June 25, 2026
Summer solstice seen from space | Space photo of the day for June 25, 2026

Just after the summer solstice, a European weather satellite managed to capture a striking image of this celestial moment from space.

What time is it on the moon? The US and China disagree
What time is it on the moon? The US and China disagree

Why making lunar standard time is in everyone’s best interests.