Learn about the size, temperature, and colour of each planet, and discover why Pluto is no longer considered a planet.

The European Space Agency's Milky Way-mapper Gaia has completed the sky-scanning phase of its mission, racking up more than 3 ...

Astronomers have long tried to track down how elements like carbon, which is essential for life, become widely distributed across the universe. Now, NASA’s James Webb Space Telescope has examined one ...

Scientists have uncovered the existence of a binary star system close to the black hole near the center of the Milky Way galaxy.

Veiled in gas and clouds, the Milky Way ... system will merge into a single star within one million years, which helps explain the apparent lack of binary stars in the center of the galaxy.

The Sun, the planets, and all else that constitutes the solar system are hurtling toward the star Lambda Herculis, some 370 ...

Astronomers have observed a binary star system orbiting near the supermassive black hole at the center of the Milky Way galaxy. The discovery of Sagittarius A* (Sgr A*), published Tuesday in ...