Four composite images deliver dazzling views from NASA's Chandra X-ray Observatory and James Webb Space Telescope of two galaxies, a nebula, and a star cluster.

May 23, 2023 n/a

Tour: 'H' is for Hot and Huge in Chandra Image

With a single letter seemingly etched in the X-ray glow around it, a giant black hole at the center of a massive elliptical galaxy is making a mark on its surroundings.

May 4, 2023 n/a

Tour: New Stellar Danger to Planets Identified by NASA's Chandra

Astronomers have identified a new threat to life on planets like Earth: a phase during which intense X-rays from exploded stars can affect planets over 100 light-years away.

April 20, 2023 n/a

Tour: Chandra Determines What Makes a Galaxy's Wind Blow

Data from Chandra show the effects of powerful winds launched from the center of a nearby galaxy.

March 29, 2023 n/a

Tour: Chandra Helps Astronomers Discover a Surprisingly Lonely Galaxy

A distant – and lonely – galaxy appears to have pulled in and assimilated all of its former companion galaxies.

March 8, 2023 n/a

Tour: NASA's Chandra Discovers Giant Black Holes on Collision Course

A new study using NASA's Chandra X-ray Observatory has tracked two pairs of supermassive black holes in dwarf galaxies on collision courses.

February 22, 2023 n/a

Tour: Untangling a Knot of Galaxy Clusters

Astronomers have captured a spectacular, ongoing collision between at least three galaxy clusters. Data from Chandra, XMM-Newton, and a trio of radio telescopes are helping astronomers sort out what is happening in this jumbled scene.

January 30, 2023 n/a

Tour: Astronomers Dig Out Buried Black Holes With NASA's Chandra

A new survey using NASA's Chandra X-ray Observatory has uncovered hundreds of previously "hidden" black holes.

January 11, 2023 n/a