A powerful new observatory is the best hope yet for finding the elusive Planet 9, a large planet that some scientists say is hidden in our solar system.

According to new simulations, many, even most, planets get ejected from their star early in their history Star Trek ...

17, 2025 — The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR ... 2025 — Studying the orbits of thousands of ...

Meteorites are rocks from space that survive their fiery descent through Earth's atmosphere and reach the ground. More than ...

Astronomers have identified a quartet of small rocky planets orbiting Barnard's star, one of our closest stellar neighbours.