So in some sense, alien worlds were not first discovered in the 1990s or even the 1980s. It took nearly a century to fully ...

Slideshows ...

All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't ...

The NEO Surveyor fulfills a 2005 act of Congress ordering NASA to catalog 90% of near-Earth objects larger than 459 feet, ...

The findings provide strong evidence that four giant exoplanets 130 light-years from Earth formed much like Jupiter and ...

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

Astronomers using the mighty James Webb Space Telescope have captured direct images of four planets in a star system 130 ...

Once its rings vanish from sight in March 2025, Saturn will look like a pale yellow sphere through most telescopes.

The James Webb Space Telescope has directly observed the key chemical of carbon dioxide in planets outside of our solar ...

Astronomers have identified a quartet of small rocky planets orbiting Barnard’s star – one of our closest stellar neighbors – ...

The Sun, the main source of light and energy, is the brightest object in our solar system, shining on and lighting up all other celestial bodies. Jupiter, the biggest planet in our solar system, ...

Astronomers discover a super-Earth and a sub-Neptune 250 light years away from our solar system. These planets offer a ...