Astronomers have achieved a groundbreaking feat by capturing the first clear image of a star in another galaxy. This ...

Active galactic nuclei (AGN) are among the most energetic phenomena observed in the universe. These luminous objects, powered ...

About 100 years after astronomer Edwin Hubble's discovered the "magnificent" spiral nebula, the Hubble Space Telescope and ...

This comet is going to make for some really cool images as it gets closer to the ... It is known as "forward scattering" to astronomers because it scatters sunlight in the direction of Earth ...

The full image includes some 2.5 billion pixels compiled from observations spanning more than 1,000 orbits around Earth ...