Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the discovery of Pluto in the 1930s. Labeled as planet X, prominent astronomers ...

Is there a massive undiscovered planet on the outer reaches of the Solar System? The idea has been around since before the discovery of Pluto in the 1930s. Labelled as planet X, prominent astronomers ...

Aug. 7 (UPI) --NASA's James Webb Space Telescope has discovered evidence of a giant planet orbiting a star in the solar system closest to Earth, the administration announced Thursday. The Alpha ...

New research suggests a rocky “lava planet” orbiting very close to its star likely carries an atmosphere. Astronomers found an atmosphere where they least expected it—clinging to an exoplanet that’s ...

A rocky, Earth-size planet located in our Milky Way galaxy may have an atmosphere around it, according to new research, raising the possibility that it could also have liquid water on its surface and ...

SpaceX's first employee, Tom Mueller, is launching Impulse Space to target the Moon with a new lunar lander. His company aims ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Blue Origin wants to support NASA's Mars plans during the 2028 planetary alignment launch window.