Solar systems mostly keep to themselves. What’s ours is ours and what’s not is not. Stars are simply too far from each ...

When it comes to telescopes, there are no bigger names than Hubble and Webb, but why have two space telescopes anyway, how ...

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

NASA has discovered a mysterious interstellar comet entering our solar system. Learn what this strange visitor is and how scientists are tracking it now.