Daisy Dobrijevic

Reference Here we explore how long it takes to get to the moon and the factors that affect the journey to our rocky companion.

Reference Comets are icy leftovers from the formation of the solar system. Explore these 'dirty snowballs' in more detail with our comet guide.

Reference Earth's atmosphere protects the planet and sustains life.

Reference Sally Ride was the first American woman to go into space. She made two shuttle flights and later became a champion for science education and a role model for generations.

Reference El Niño and La Niña significantly impact Earth's weather patterns. We explore the events in more detail here and take a look at how they impact Earth's weather.

Reference White holes are theoretical cosmic regions that are opposite to black holes. Just as nothing can escape a black hole, nothing can enter a white hole.

Reference Saturn has the most moons of any other planet in the solar system. Here we explore some of the 146 moons that orbit the ringed planet.

Reference Mercury is the closest planet to the sun and the smallest planet in the solar system. Here we explore the strange world in more detail.

Reference Explore Jupiter's 95 moons including the infamous Galilean satellites and the largest moon in the solar system, Ganymede.

Reference Enceladus is one of Saturn's many moons. The tiny icy world has the potential to harbor life and is one of the most intriguing destinations in the solar system.

Reference Learn how the moon formed, how its orbit affects Earth's tides, why solar and lunar eclipses happen and the history of lunar exploration.

Reference Black holes are real, they're some of the strangest objects in space. Discover what black holes are and how they form with our informative black hole guide.

Reference Delve into the life and theories of Stephen Hawking; one of the greatest theoretical physicists in history.

Reference The sun's temperature varies from around 27 million degrees Fahrenheit (15 million degrees Celsius) in the core to about 10,000 degrees F (5,500 degrees C) at the surface.

Reference Jupiter's moon Ganymede is the largest moon in the solar system and likely has a salty ocean underneath its icy surface. We explore the moon in more detail here.

Reference Europa is an icy moon of Jupiter and one of the four so-called Galilean moons of Jupiter. See more facts about Europa and its history here.

Reference Earth is made up of several layers: the lithosphere, asthenosphere, lower mantle (also known as mesospheric mantle), outer core and inner core.