A key method of forming planets finally has observational evidence, thanks to a network of radio telescopes in the U.K. that ...

Astronomers have spotted centimeter-sized “pebbles” swirling around two infant stars 450 light-years away, revealing the raw ...

The newfound exoplanet, called Kepler-139f, is a gigantic world roughly twice the mass of Neptune and 35 times the mass of ...

Have you ever wondered how long it would take to travel to each of the planets in our solar system? The distances between ...

Five planets are retrograde in summer 2025: Pluto, Neptune, Saturn, Mercury and Uranus. Astrologically, that means in for a ...

Without enough liquid water on the surface, a planet's atmosphere can become choked with carbon dioxide, raising temperatures ...

In new research, University of California, Irvine astronomers describe how more than 200 known exoplanets are likely much ...

Though our solar system and the movement of its planets appear relatively sedate, there are many things that could upset the ...

Volcanic planets with static crusts, called Ignan Earths, can maintain liquid oceans and temperate climates favorable to life.

Astronomers discover a new strategy for detecting exoplanets: look for aligned binary stars that reveal hidden worlds more ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

Among the billions and billions of planets and moons in this galaxy, we may encounter many examples of double planets, but what would they be like and could life arise on them?