The Chandra X-ray Observatory was launched on July 23, 1999 aboard Space Shuttle Columbia. See 25 'never-before-seen' images ...

Astronomers have uncovered a baffling cosmic anomaly — a supermassive black hole in galaxy NGC 5084 that appears to be ...

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.

After tracking a puzzling X-ray signal from a dying star for decades, astronomers may have finally explained its source: The ...

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 ...

Scientists have seen a powerful explosion from a mysterious, unknown object in space. Researchers do not know where the bright flash came from. But they believe that it may be something entirely ...

For more than 40 years, astronomers have been puzzled by strange X-ray signals coming from the Helix Nebula, a cloud of gas ...

Such a dramatic cut to a flagship space telescope still in its prime will be felt across the mission's entire operations, ...

Math, science, history, unraveling the mystery; That all started with the Big Bang BANG!” For fans of the hit comedy show The ...

Space scientists say they have located a planet killer capable of ripping worlds to pieces. Researchers believe they've found ...

A white dwarf, or dying star, caused the destruction of a Jupiter-sized planet that is only around 650 light years away from ...