Canadian astronomers have taken an extraordinary step in understanding how planets are born, using the James Webb Space ...

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

While our solar system is a fascinating place on its own, exoplanets are even more of a mystery. And one exoplanet in particular is something quite new.

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

A new study examines how much material from the closest star system to Earth will end up in orbit around the Sun, and how ...

Does our Solar System have 9 planets or only 8? Astronomers have gone back and forth on that a lot, with Pluto now being classified as a dwarf planet. However, out beyond Neptune there could be ...

Most of the information we have about planets beyond our solar system (exoplanets ... as it will seem to block out more of the star's light, or they might infer the planet is hotter than it ...

New research shows that star activity can distort exoplanet measurements, affecting size, temperature, and atmosphere ...

People will be able to see a rare sight at the end of this month when all seven other planets in our solar system line up in the night sky. For the last few weeks six of the planets have been ...

On this day 35 years ago, NASA's Voyager 1 spacecraft took a picture that changed how we see our planet. The iconic "Pale ...

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known ...