While most planets that we are familiar with stick relatively close to their host star in a predictable orbit, some planets seem to have been knocked out of their orbits, floating through space free ...

Astronomers have confirmed a giant planet orbiting a tightly bound pair of young stars, marking a first in direct exoplanet imaging. The planet, known as HD 143811 AB b, is the closest-in world ever ...

Most planets spend their lives orbiting a star, but some are destined for exile. According to a study published in Science on Jan. 1, 2026, astronomers have successfully measured the mass and distance ...