The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet...
Scientists identify a new way to detect life in outer space with currently existing telescopes. The method hinges on worlds that look nothing like Earth, and...
Astronomers have revealed new evidence that there are not just one but four tiny planets circling around Barnard's Star, the second-nearest star system to Earth.