Astronomers have spotted a small rocky planet that orbits perilously close to its host star disintegrating as its surface is ...

Astronomers have been trying to discover evidence that worlds exist around stars other than our Sun since the 19th century.

Astronomers discovered a planet that orbits its star so closely that its surface is being scorched into magma and vaporizing ...

From spellbinding images to groundbreaking scientific discoveries, we look back on some of Hubble's most exciting milestones.

Astronomers have discovered that super-Earth exoplanets are more common across the universe than previously thought. While it can be relatively easy to locate worlds that orbit close to their star, ...

The planet orbits its host star in just 30.5 hours, losing a mass of material roughly equal to Mount Everest each time ...

It will block a tiny amount of the light. Looking at the atmosphere of an exoplanet is even more difficult. Scientists use ...

About 5,800 planets beyond our solar system, called exoplanets, have been discovered since the 1990s. Of those, only four ...

Astronomers have observed a rocky planet rapidly disintegrating near its star, trailing a comet-like tail of mineral dust.

Astronomers have observed the rocky exoplanet BD+05 4868 Ab disintegrating as it orbits near its host star. The planet, now ...