X-ray telescopes such as Chandra are important to the study of ... of hot X-ray gas against a backdrop of thousands of stars in optical light. Shock waves produced by the explosion heated ...

These 3D models are based on state-of-the-art theoretical models, computational algorithms, and observations from space-based ...

Grunsfeld, a former NASA astronaut who has served as both the agency's chief scientist and science division leader, helped ...

Using data from space telescopes and other instruments, astronomers, cosmologists, and astrophysicists are able to deduce and ...

Researchers have spent the past few years watching a black hole re-awaken roughly 300 million light-years away from Earth.

This view combines X-rays from NASA's Chandra X-ray Observatory (magenta), optical light data from NASA's Hubble Space Telescope (orange, light blue), infrared data from the European Southern ...

a spectacular structure that scientists are still trying to understand with help from the Chandra and Spitzer telescopes. NASA / CXC / SAO / F.Seward; Optical: NASA / ESA / ASU / J.Hester & A.Loll ...

Astronomers using NASA’s Chandra X-ray Observatory and Hubble Space Telescope have unveiled breathtaking ... alongside Hubble’s optical images dating back to 1994, have been used to create ...

The Helix nebula, as viewed by the Chandra X-ray observatory, Hubble Space Telescope and European Southern ... Ultraviolet: NASA/JPL; Optical: NASA/ESA/STScI (M. Meixner)/NRAO (T.A. Rector ...

A distant galaxy that lay quiet for decades has suddenly stirred, lighting up in dramatic bursts that have caught astronomers ...