Learn about the size, temperature, and colour of each planet, and discover why Pluto is no longer considered a planet.

Called Kepler-51, the Sun-like yellow dwarf star was found in 2012 to have three exoplanets in its orbit; each, it would turn ...

Accessible to anyone the world over, witnessing the majesty of the solar system, including the Milky Way, and its billions of ...

The Sun, the planets, and all else that constitutes the solar system are hurtling toward the star Lambda Herculis, some 370 ...

The discovery could lead to the finding of more planets. Astrophysicists are marveling at the latest celestial discovery made near the Milky Way's supermassive black hole. Scientists have ...

The telescope will catalogue billions of new objects and produce a new map of the entire night sky every three days with the ...

The Milky Way is one of billions of galaxies in the universe and home to our own solar system. It appears as a hazy band in the sky when viewed from Earth.

It looks at how streams of interstellar bodies might escape a solar system and how they would then move through the Milky Way. While it is always possible for a random asteroid or comet to have a ...

This illustration shows a stage in the predicted merger between our Milky Way galaxy and the ... [+] neighboring Andromeda galaxy, as it will unfold over the next several billion years.

Astronomers have spotted the shiniest known planet in the Milky Way, and it has metal ... only bounces back 30% of its sunlight. Venus, the solar system's shiniest planet, reflects 75% of the ...

the solar system and galaxies. This clip helps to reinforce the meaning of a galaxy, using the Milky Way as an example. Many students will have preconceptions about what dark matter is ...