James Webb telescope discovers a cosmic oddity: A lemon-shaped exoplanet that has scientists stunned

The James Webb Space Telescope has found a strange exoplanet with a lemon-like shape. The planet orbits a dead star and has a ...

An interstellar comet is about to make its closest approach to Earth. How to see it in Wisconsin

The comet's approach marks only the third known time an object from outside the Milky Way has passed through our solar system.