Here's everything to know about the James Webb Space Telescope, and what it captured on its three-year anniversary observing ...

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

The Chandra X-ray Telescope is investigating the habitability of exoplanets. NASA explains. Credit: NASA/CXC/A. Hobart ...

Scientists have discovered that the Universe could collapse in a phenomenon known as the “Big Crunch”. A recent cosmological model—developed by researchers at Cornell and Shanghai Jiao Tong—proposes ...

These telescopes represent the cutting edge of astronomical discovery, probing the universe across the electromagnetic ...

This unprecedented view of the Bullet Cluster provided by the James Webb Space Telescope and the Chandra X-ray Observatory ...

NASA's James Webb Space Telescope (JWST) has captured a new image of the titanic collision between two galaxy clusters, known ...

Because it doesn't interreact with light or electromagnetism, dark matter exists to us only through its influence on visible ...

The James Webb Space Telescope (JWST), launched in 2021, is currently the most powerful space observatory ever built.

The first ever space telescope, the Orbiting Astronomical Observatory 2 (OAO-2), was launched into the low Earth orbit in ...

NASA's Chandra X-ray Observatory provides a new look at the Andromeda galaxy in this multi-wavelength image that includes ...

There are about three Space Shuttle orbiters currently in operation - Discovery, Atlantis and Endeavour, which are all ...