While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

NASA has just made a groundbreaking discovery—a new planet beyond Neptune that wasn’t there before! This mysterious find could change how we understand our solar system and the universe itself. Is ...

Earth's magnetic field occasionally bursts into song — but these compositions are written with electromagnetic radiation, not ...

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

To engage visitors, the National Planetarium is introducing astronaut suit design and space-themed music competitions ...

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

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – here’s how to spot the celestial show ...

These embryos, somewhere between small planetesimals and fully formed planets, were abundant during the solar system's formative stages and played a critical role in planetary formation.

Scientists have discovered a surprising space phenomenon: electromagnetic waves called "chorus waves" emitting a sound ...

A planet-size object that possibly once visited the solar system may have permanently changed our cosmic neighborhood by warping the orbits of the four outer planets, a new study suggests.