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

The Smithsonian Astrophysical Observatory is pleased to present a collection of 9 models that were created using images generated by the Chandra X-ray Observatory. The launch of this collection ...

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 ...

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 ...

Using ESA's XMM-Newton satellite and NASA's Chandra X-ray observatory, astronomers have observed a young stellar object known as HL Tauri. Results of the observation campaign, presented Feb. 11 on ...

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

Credit: CXC/SAO/M.Weiss NASA's Chandra X-Ray Observatory has helped track down the origin of a mysterious X-ray signal emanating from deep space. The signal, which scientists have been working to ...