The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration.

NASA’s Hubble Space Telescope revisits the Crab Nebula, showing the movement of filaments and changes in gas composition over ...

This series of images from NASA’s Hubble Space Telescope of the fragmenting comet C/2025 K1 (ATLAS) was taken over the course ...

In a stroke of luck, astronomers saw the comet C/2025 K1 (ATLAS) break into four or five fragments in November after it ...

It only takes one close encounter with a lightning strike to get the full sense of its power. At around 1 gigaJoule of energy ...

Learn about the breakup and bright outbursts of comet K1, caught by the Hubble Space Telescope on accident.

A massive stellar wind bubble sculpts the nebula into the shape of the Norse god's famous helmet.

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

These worlds are among the least dense ever found, and all attempts to probe their atmospheres have been blocked by a ...

NASA's Juno spacecraft passed north-to-south (yellow track) over Jupiter's atmosphere on August 17, 2022, detecting a cluster ...

Thousands of satellites are being launched into space at low Earth orbit, joining hundreds of thousands of pieces of space ...

Interstellar comet 3I/ATLAS on Nov. 30, 2025, as observed by the Wide Field Camera 3 instrument on NASA's Hubble Space ...