The smallest disk identified, meanwhile, stretched to just 0.6 AU – closer to the star than the Earth is to the Sun.

Many protoplanetary disks in which new planets are formed are much smaller than thought. Using the Atacama Large ...

Remote sensing technologies have revolutionized our understanding of terrestrial planets, moons, and other small bodies. With the resurgence of ...

The substance can contain up to 1.5 percent water, and if the ringwoodite under the surface has just one percent water in its ...

A large fire near London’s Heathrow Airport is disrupting global travel for hundreds of thousands of passengers.

More than 60 years after the first debunked discovery of a planet orbiting Barnard’s Star, the closest single-star system to ...

Astronomers discover a super-Earth and a sub-Neptune 250 light years away from our solar system. These planets offer a ...

Asteroid 2014 TN17, measuring 540 feet wide, will safely pass Earth on March 26, 2025, despite being classified as ...

These rather small planets are a stone's throw from Earth in galactic terms, but were too small for previous instruments to ...

Pollard A quartet of Earth-like worlds, each about 20% to 30% the size of our planet ... (Five potential planets have also ...

Four small, newly discovered worlds are less than six light-years away from Earth, and their discovery reinforces a ...