The Chandra X-ray Observatory was launched on July 23, 1999 aboard Space Shuttle Columbia. See 25 'never-before-seen' images from the observatory to mark the anniversary. Credit: NASA/CXC/A. Hobart ...

For over 40 years, astronomers have been puzzled by strange X-ray signals from the Helix Nebula’s white dwarf. Now, they may ...

The X-ray signal from WD 2226-210 is similar to the X-ray emissions of two other white dwarfs that do not sit within cocoons ...

"We might have finally found the cause of a mystery that's lasted over 40 years," said researcher Sandino Estrada-Dorado.

ABSTRACT The Chandra X‐Ray Observatory (CXO), the X‐ray component of NASA’s Great Observatories, was launched on 1999 July 23 by the space shuttle Columbia. After satellite systems activation, the ...

NASA’s James Webb Space Telescope captured the stunning image of Cartwheel Galaxy. This landscape of “mountains” and “valleys” speckled with glittering stars is actually the edge of a nearby, young, ...

The research team, led by Steven Dillmann of Stanford University was scouring decades-old data from NASA's Chandra X-ray Observatory when it spotted a powerful (but brief) blast of X-rays coming ...

A new study used data from powerful X-ray missions, NASA’s Chandra X-ray Observatory and ESA’s (European Space Agency’s) XMM-Newton, to look into the cause of a "puzzling X-ray signal" from a dying ...

Researchers also specula... NASA’s James Webb Space Telescope and Chandra X-ray Observatory have unveiled stunning new images of two star clusters in the Small Magellanic Cloud. NGC 602 ...