The Causes of Climate Change - Science@NASA
In its Sixth Assessment Report, the Intergovernmental Panel on Climate Change, composed of scientific experts from countries all over the world, concluded that it is unequivocal that the …
Earth's Moon - Science@NASA
The Moon makes Earth more livable, sets the rhythm of ocean tides, and keeps a record of our solar system's history.
Facts About Earth - NASA Science
While Earth is only the fifth largest planet in the solar system, it is the only world in our solar system with liquid water on the surface. Just slightly larger than nearby Venus, Earth is the …
Climate Change - NASA Science
Human activities are driving the global warming trend observed since the mid-20th century. Scientists attribute the global warming trend observed since the mid-20 th century to the …
Evidence - NASA Science
Takeaways The rate of change since the mid-20th century is unprecedented over millennia. Earth’s climate has changed throughout history. Just in the last 800,000 years, there have …
Our Sun: Facts - Science@NASA
From our vantage point on Earth, the Sun may appear like an unchanging source of light and heat in the sky. But the Sun is a dynamic star, constantly changing and sending energy out into …
Mars Facts - Science@NASA
Mars has a dense core at its center between 930 and 1,300 miles (1,500 to 2,100 kilometers) in radius. It's made of iron, nickel, and sulfur. Surrounding the core is a rocky mantle between …
Mercury - NASA Science
The first spacecraft to visit Mercury was NASA's Mariner 10, which imaged about 45% of the surface. NASA's MESSENGER spacecraft flew by Mercury three times and orbited the planet …
Jupiter Facts - Science@NASA
Discovered in 1979 by NASA's Voyager 1 spacecraft, Jupiter's rings were a surprise. The rings are composed of small, dark particles, and they are difficult to see except when backlit by the …
Mars - NASA Science
This artist's concept shows NASA's Mars Reconnaissance Orbiter mission over the red planet. NASA launched this multipurpose spacecraft to advance our understanding of Mars through …