T he first time I heard about galaxies without dark matter, I was sitting in my very first graduate class at the University of São Paulo. It was 2018, and the discovery had just ...

Subscribe to the Wake Up, cleveland.com’s free morning newsletter, delivered to your inbox weekdays at 5:30 a.m. A boom ripped through the air, the house shook and the dog cowered. I glanced out the ...

The journeys behind the Imperial team that produced NASA’s IMAP magnetometer, now probing a million miles from Earth.

Gravitational waves are ripples in spacetime produced by violent cosmic events, such as the merging of black holes. So far, ...

The James Webb Space Telescope has revealed new details in a bizarre nebula that looks like a brain floating in space. Formed ...

A new data release more than doubles the number of gravitational-wave candidate events—and reveals unexpected complexities of merging black holes ...

NASA has received the first images from a tiny spacecraft designed to study the ...

A rugged Martian landscape that resembles a vast spiderweb when seen from orbit is offering new insights into the planet’s ...

NASA’s twin ESCAPADE spacecraft will uncover how the Sun stripped Mars of its atmosphere. Mars is a very different world ...

As four astronauts travel around the moon on NASA's Artemis II mission, they will venture beyond Earth's protective magnetic field. The crew's spacecraft, Orion, will carry and protect them as they ...

A powerful surge of solar energy is heading toward Earth, and up to 20 U.S. states could catch a glimpse just in time for the ...

A telescope in Chile has revealed the swirling splendor of star-forming gases at the heart of our Milky Way galaxy ...