China became the first to capture and publicly release close-up images of interstellar object 3I/Atlas ahead of NASA, ...

The comet is the third interstellar object from deep space ever recorded to pass through Earth’s solar system.

Is 3I/Atlas an alien spacecraft or just a really interesting rock hurling through the cosmos? That debate has been raging ...

The Hubble Space Telescope has captured an amazing view of galaxies LEDA 48062 and UGC 8603. Credit: ESA/Hubble & NASA, R. Tully | edited by Space.com's Steve Spaleta Music: Missing of Times by Joseph ...

Thursday’s report, titled “A Broader Look at Dynamic Space Operations: Creating Multi-Dimensional Dilemmas for Adversaries,” ...

The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in the Cassiopeia constellation. Credit: Space.com | footage courtesy: NASA, ...

A mysterious interstellar object, 3I/ATLAS, is showing bizarre behaviour, including an anti-tail and erratic motion, forcing ...

Jupiter's moon Io stands alone among the solar system's moons. It has more than 400 active volcanoes, and its surface is home ...

In 1990 the Hubble Space Telescope was launched that fundamentally changed our understanding of black holes. Kathryn Sullivan, a NASA astronaut, spoke to Witness History about the telescope that ...

As 3I/ATLAS races through our solar system, NASA and Harvard take unprecedented action to study its bizarre anti-tail and erratic motion.

Astrophysicist Pieter van Dokkum, a world-renowned expert in galaxy formation and evolution and a visionary in astronomical ...