NASA's XRISM X-ray spacecraft has clocked 2 million mph winds ripping out of a distant galaxy bursting with star formation.
Astronomers have spotted the most distant and brightest "space laser" ever seen, and it's blasting from a galaxy collision that occurred when the universe was half its current age.
Our solar system's famous "invader" might be as old as the Milky Way itself.
An X1.4 solar flare triggered radio blackouts and launched a fast CME as NASA prepares for its Artemis 2 moon mission.
New simulations suggest Saturn's rings formed from a shattered moon called Chrysalis, offering clues to the planet's tilt and surprisingly young rings.
A NASA X-ray telescope has captured a breathtaking portrait of a supernova remnant, revealing unseen features of the exploded star.
The unprecedented observations of comet 41P/Tuttle–Giacobini–Kresák show its rotation slowing, reversing and then speeding up, and jet-like outbursts of gas might be providing the push.
The powerful magnetic field belonging to the sun is generated far beneath the visible surface.
NASA released a new image of its next-generation Nancy Grace Roman Space Telescope undertaking testing to simulate vibrations experienced during launch.
Observations from the James Webb and Hubble space telescopes reveal Saturn's atmosphere and rings in the most detailed view created to date.