But when scientists peer very far back, they find conundrums. JWST observations of the distant past are at odds with ...

This NASA/ESA Hubble Space Telescope image offers us the chance to see a distant galaxy now some 19.5 billion light-years ...

Using various ground-based and space telescopes, an international team of astronomers has observed a highly variable young ...

Artists and scientists have been creating optical illusions for centuries. Here are 35 mind-bending examples that prove you ...