During its 35 years of orbiting the Earth, the Hubble Space Telescope has transmitted endless streams of magnificent images, confirmed the existence of "dark matter," and helped track a vagabond ...

A key attribute that differentiates Hubble from other telescopes is that it can collect data in the ultraviolet part of the electromagnetic spectrum. That’s crucial for understanding celestial ...

The Hubble Space Telescope is celebrating its 35th anniversary in space today, but even as a senior citizen in the spacecraft population, it is showing no sign of slowing down. "Hubble is more ...

Astronomers using the Chandra X-ray Telescope have discovered an "exhaust vent attached to a “chimney” of hot gas blowing away from the center of the Milky Way galaxy," according to the ...

Recently, black hole X-ray binaries, consisting of a black hole several times the mass of the Sun and a companion star, have emerged as potential sources of cosmic rays. Some X-ray binaries eject fast ...

In this image from NASA's Spitzer Space Telescope, "cometary knots" on the Helix Nebula show blue-green heads caused by excitation of their molecular material from shocks or ultraviolet radiation.

Brightest Pulsar: Astronomers using NASA’s Nuclear Spectroscopic Telescope Array ... in diameter is responsible for this beautiful X-ray nebula that spans 150 light years.

Credit: NASA, ESA, CSA, STScI, Michael Ressler (NASA-JPL), Dave Jones (IAC) A stunning new image from the James Webb Space Telescope (JWST ... nebula's faint, Venn-diagram-like structure ...