Sixty-six light-years away, an Earth-sized exoplanet completes an orbit in under six hours, skimming around its star at nearly one-hundredth the distance that Mercury orbits the Sun. This planet is on ...

Researchers have developed a simple laboratory model using a water tornado to simulate the dynamics of gas and dust in planet-forming discs. Experts have long tried to study the swirling clouds of gas ...

A young star called V1298 Tau is giving astronomers a front-row seat to the birth of the galaxy’s most common planets. Four massive but extremely low-density worlds orbiting the star appear to be ...